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华盛顿

华盛顿哥伦比亚特区是美利坚合众国的首都，位于美国东岸。中文简称华府。

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欧盟多国愿加盟亚投行

北京方面把欧洲多国不顾华盛顿“阻挠”而表示愿意加盟中国牵头的亚投行，视为中美在国际金融体系主导较量中的小胜。

Flagge Taiwan

Flagge Taiwan

台湾在美升旗华盛顿“泼凉水”

新年伊始，台湾驻美代表处举行了美台断交以来的首次升旗仪式。在中方就此向美国抗议后，华盛顿表示对于“升旗”事先并不知情，也不支持。

Bildergalerie Kuba Impressionen Stadtansichten Havanna

Bildergalerie Kuba Impressionen Stadtansichten Havanna

美国与古巴结束外交关系冰期

美国在周三宣布与古巴关系“历史性”解冻，称将致力全面恢复两国外交关系，放松长期以来对古巴的贸易和旅游制裁。中国方面呼吁美国政府取消对古巴的制裁。

Syrien Türkei Grenze Kämpfe um Kobane 10.10.2014

Syrien Türkei Grenze Kämpfe um Kobane 10.10.2014

多国联盟加紧磋商打击“伊斯兰国”战略

美、土间围绕美军是否可以使用土境内军事基地争议给华盛顿国际打击“伊斯兰国”军事会议蒙上阴影。“伊斯兰国”在伊拉克和叙利亚继续推进。

Obama bei Aquino 28.04.2014 Manila PK

Obama bei Aquino 28.04.2014 Manila PK

亚太在美国外交政策地位飙升

分析人士认为，奥巴马政府希望重新把亚太地区作为外交政策重点。

Kämpfe in Kobane

Kämpfe in Kobane

美、土磋商打击“伊斯兰国”战略

华盛顿宣布，美国和土耳其军方下周将就打击“伊斯兰国”战略举行磋商。美国战机的空袭行动迄今未能阻止伊斯兰武装的推进。

Petro Poroschenko redet vor dem US-Kongress

Petro Poroschenko redet vor dem US-Kongress

评论: 鼓掌和拍肩是不够的

远离俄罗斯、转向西方，—基辅政府走得是一条高风险路线。德国之声评论员认为，美国现在不能让乌克兰人民的希望落空。

F/A-18 Super Hornet US-Kampfjet USA Irak Islamischer Staat Symbolbild Angriff

F/A-18 Super Hornet US-Kampfjet USA Irak Islamischer Staat Symbolbild Angriff

伊朗：反IS联盟别有所图

美国希望促成反IS国际联盟，但德黑兰政府对此充满疑虑。

Volker Depkat

Volker Depkat

起诉奥巴马——华盛顿的政治剧

美国国会共和党人要把奥巴马告上法庭。但专家德普卡特认为，这是绝望之举。

Nordkorea Kim Jong Un als Militärbeobachter

Nordkorea Kim Jong Un als Militärbeobachter

朝鲜周日再发导弹

朝鲜在约两周时间里，连续进行了5次导弹试验。

美众议院建议更名中国驻美使馆地址为"刘晓波广场1号"

美国众议院拨款委员会在其2015年国务院预算草案中包含了一项将中国驻美大使馆门前的马路更名为"刘晓波广场"的动议。

塔利班成员换俘虏大兵华盛顿交易引争议

5年前，美军士兵鲍·贝里达尔被阿富汗塔利班俘虏。近日美国政府用5名塔利班高层成员换回了这名士兵。此"交易"在华盛顿引起不同的反应。

Friedensnobelpreisträger Galerie

Friedensnobelpreisträger Galerie

美议员建议命名“刘晓波路”

美国会议员提出建议，要求至少将中国驻华盛顿大使馆前的一段街道以刘晓波命名。中国国内，当局加大维稳力度，王爱忠被以涉“寻衅滋事”为由刑拘。

USA Barack Obama Joe Biden und Hunter Biden

USA Barack Obama Joe Biden und Hunter Biden

拜登之子乌克兰受聘案-美国人不在意?

美国副总统拜登之子亨特·拜登（Hunter Biden)不久前被一家乌克兰天然气公司聘为法律部门主管。政治与经济利益会出现纠葛吗？

Der Dalai Lama in den USA

Der Dalai Lama in den USA

达赖喇嘛：中国政府应放松媒体审查

在华盛顿的国家大教堂里，达赖喇嘛称中国是个“伟大的国家”，但其政府体制“有害”。

China Luftabwehrsystem FD-2000

China Luftabwehrsystem FD-2000

中国测试高超音速武器

中国首次测试了高超音速导弹，引起美国方面的担忧。中国国防部称，这是中方在境内按计划进行的一次科研试验。

《纽时》无意与中国商人洽谈收购

麦克尔•布鲁门撒尔的终生成就

麦克尔•布鲁门撒尔在纽约介绍他的回忆录《从流放到华盛顿》

A Chinese man adjusts the Chinese flag before a point press conference by Chinese Foreign Minister Yang Jiechi and US Secretary of State Hillary Clinton at the Great Hall of the People in Beijing on September 5, 2012. Yang said that nations should enjoy freedom of navigation in the South China Sea and promised that there would 'never be issues' in the tense waterway. AFP PHOTO / POOL / Feng Li (Photo credit should read FENG LI/AFP/GettyImages)

A Chinese man adjusts the Chinese flag before a point press conference by Chinese Foreign Minister Yang Jiechi and US Secretary of State Hillary Clinton at the Great Hall of the People in Beijing on September 5, 2012. Yang said that nations should enjoy freedom of navigation in the South China Sea and promised that there would 'never be issues' in the tense waterway. AFP PHOTO / POOL / Feng Li (Photo credit should read FENG LI/AFP/GettyImages)

美国触众怒与中国渐近

华盛顿和其盟友近来关系吃紧，却和中国渐行渐近。

U.S. President Barack Obama (R) and Iraq's Prime Minister Nuri al-Maliki (L) talk to reporters in the Oval Office after meeting at the White House in Washington, November 1, 2013. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS)

U.S. President Barack Obama (R) and Iraq's Prime Minister Nuri al-Maliki (L) talk to reporters in the Oval Office after meeting at the White House in Washington, November 1, 2013. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS)

伊拉克总理在华盛顿与奥巴马会面

German Greens lawmaker Hans-Christian Stroebele points at the signature on a letter he received from fugitive former U.S. spy agency contractor Edward Snowden, at a news conference in Berlin, November 1, 2013. Stroebele met Snowden in Moscow on Thursday, Stroebele's office said in a statement, and would give details of the meeting on Friday. REUTERS/Tobias Schwarz (GERMANY - Tags: POLITICS CRIME LAW TPX IMAGES OF THE DAY)

German Greens lawmaker Hans-Christian Stroebele points at the signature on a letter he received from fugitive former U.S. spy agency contractor Edward Snowden, at a news conference in Berlin, November 1, 2013. Stroebele met Snowden in Moscow on Thursday, Stroebele's office said in a statement, and would give details of the meeting on Friday. REUTERS/Tobias Schwarz (GERMANY - Tags: POLITICS CRIME LAW TPX IMAGES OF THE DAY)

美国不开口？问斯诺登！

德国之声评论员瓦格纳认为，目前是德国宣示主权、从美国政治羽翼下解放出来的良机。

US Secretary of State John Kerry speaks during the Center for American Progress(PAC) 10th Anniversary Conference in Washington, DC, October 24, 2013. AFP PHOTO / Jim WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)

US Secretary of State John Kerry speaks during the Center for American Progress(PAC) 10th Anniversary Conference in Washington, DC, October 24, 2013. AFP PHOTO / Jim WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)

克里：美国将调整情报工作政策

美国大使馆卷入窃听丑闻

位于柏林行政区心脏地带的美国大使馆，房顶有一个没有窗户的加层，秘密情报专家认为，这样的建筑里面可能藏着窃听装置。

US-Bürger demonstrieren am 24.10.2013 nahe dem Kapitol in Washington DC gegen die Überwachung durch Geheimdienste wie die NSA. (Foto: Monika Griebeler / DW) - eingestellt von Andreas Grigo

US-Bürger demonstrieren am 24.10.2013 nahe dem Kapitol in Washington DC gegen die Überwachung durch Geheimdienste wie die NSA. (Foto: Monika Griebeler / DW) - eingestellt von Andreas Grigo

华盛顿数千人抗议情报部门监听

Delegates listen to opening remarks by China's State Councilor Yang Jiechi and U.S. Deputy Secretary of State William Burns (both not pictured) at the Strategic Track Plenary Session of the U.S.-China Strategic and Economic Dialogue (S&ED) at the State Department in Washington July 11, 2013. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS)

Delegates listen to opening remarks by China's State Councilor Yang Jiechi and U.S. Deputy Secretary of State William Burns (both not pictured) at the Strategic Track Plenary Session of the U.S.-China Strategic and Economic Dialogue (S&ED) at the State Department in Washington July 11, 2013. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS)

华盛顿内争与北京

鉴于美中在经济关系上早已是“你中有我、我中有你”，对北京而言，美国无休止的预算争议也可能成为一把双刃剑。

Federal workers demonstrate for an end to the U.S. government shutdown on the west front of the U.S. Capitol in Washington, October 13, 2013. Senate Majority Harry Reid said Sunday that he was engaged in negotiations with Republican Minority Leader Mitch McConnell and was "confident" they could resolve the fiscal crisis confronting Washington. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS BUSINESS EMPLOYMENT CIVIL UNREST)

Federal workers demonstrate for an end to the U.S. government shutdown on the west front of the U.S. Capitol in Washington, October 13, 2013. Senate Majority Harry Reid said Sunday that he was engaged in negotiations with Republican Minority Leader Mitch McConnell and was "confident" they could resolve the fiscal crisis confronting Washington. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS BUSINESS EMPLOYMENT CIVIL UNREST)

华盛顿：破产前的恐慌

美国政府的预算之争进入倒计时，恐惧和愤怒正在民众中蔓延。

A closure sign is posted on the national mall near the US Capitol in Washington, DC, October 3, 2013, as seen during the third day of the federal government shutdown. US President Barack Obama on October 3, directly attacked Republican Speaker John Boehner, saying he could end a 'reckless' US government shutdown in just five minutes. AFP Photo/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images)

A closure sign is posted on the national mall near the US Capitol in Washington, DC, October 3, 2013, as seen during the third day of the federal government shutdown. US President Barack Obama on October 3, directly attacked Republican Speaker John Boehner, saying he could end a 'reckless' US government shutdown in just five minutes. AFP Photo/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images)

国际货币基金高管呼吁美国解决预算危机

华盛顿：天气晴好心情阴郁

美国被迫休假的政府员工有了大把的时间享受阳光，可是却高兴不起来。

Police officers investigate the scene where a man set himself on fire in front of the U.S. Capitol building on the U.S. National Mall in Washington, October 4, 2013. The man was rushed to a local hospital by helicopter after using fuel to set himself ablaze near the National Gallery of Art in the middle of the mall, which remains closed due to the U.S. government shutdown. REUTERS/Gary Cameron (UNITED STATES - Tags: CRIME LAW) Eingestellt von Martin Koch (mak)

Police officers investigate the scene where a man set himself on fire in front of the U.S. Capitol building on the U.S. National Mall in Washington, October 4, 2013. The man was rushed to a local hospital by helicopter after using fuel to set himself ablaze near the National Gallery of Art in the middle of the mall, which remains closed due to the U.S. government shutdown. REUTERS/Gary Cameron (UNITED STATES - Tags: CRIME LAW) Eingestellt von Martin Koch (mak)

一名男子在白宫附近自焚

ARCHIV - Das Kapitol in Washington, aufgenommen am Abend des 27.01.2010. An diesem Dienstag (01.10.2013) ist Stichtag. Ohne Haushalt für die kommenden Monate wird der US-Regierung das Geld knapp. Hunderttausende Beamte müssten Schätzungen zufolge in Zwangsurlaub geschickt werden, sofern es keine überraschende Lösung in letzter Sekunde gibt. Foto: ALLISON SHELLEY/dpa +++(c) dpa - Bildfunk+++

ARCHIV - Das Kapitol in Washington, aufgenommen am Abend des 27.01.2010. An diesem Dienstag (01.10.2013) ist Stichtag. Ohne Haushalt für die kommenden Monate wird der US-Regierung das Geld knapp. Hunderttausende Beamte müssten Schätzungen zufolge in Zwangsurlaub geschickt werden, sofern es keine überraschende Lösung in letzter Sekunde gibt. Foto: ALLISON SHELLEY/dpa +++(c) dpa - Bildfunk+++

美国金融争议威胁世界经济

目前火烧眉毛的不再是欧债危机而是美国财政纠纷。目前的僵局已经威胁到了国际金融架构。

美国国会大厦外发生枪击案

ISS

ISS

财政预算案未通过美国政府暂时“关张”

美国国会两大党民主党和共和党在财政预算案上相持不下难达共识，以至于美国政府部门和下属机构暂时不能进行财政支出，处于“关门“状态。

华盛顿枪击案

华盛顿美军基地枪击案已造成13人死亡，嫌疑人被警方击毙。

Police work the scene on M Street, SE in Washington near the Washington Navy Yard on Monday, Sept. 16, 2013. The U.S. Navy says one person is injured after a shooting at a Navy building in Washington. Police and emergency crews gathered Monday morning outside the Naval Sea Systems Command Headquarters building, where the shooting was reported. (AP Photo/Jacquelyn Martin)

Police work the scene on M Street, SE in Washington near the Washington Navy Yard on Monday, Sept. 16, 2013. The U.S. Navy says one person is injured after a shooting at a Navy building in Washington. Police and emergency crews gathered Monday morning outside the Naval Sea Systems Command Headquarters building, where the shooting was reported. (AP Photo/Jacquelyn Martin)

华盛顿海军基地枪击事件造成多人死伤

Zoff beim Spiegel

《明镜》新总编还未正式上任，就因其人事政策而上了媒体头条。

HANDOUT - A U.S. Air Force MQ-1 Predator unmanned aerial vehicle assigned to the California Air National Guard's 163rd Reconnaissance Wing flies near the Southern California Logistics Airport in Victorville, Calif., Jan. 7, 2012. (U.S. Air Force photo by Tech. Sgt. Effrain Lopez/Released (zu dpa Obama erlässt strenge Richtlinien für Drohnenschläge) +++(c) dpa - Bildfunk+++

HANDOUT - A U.S. Air Force MQ-1 Predator unmanned aerial vehicle assigned to the California Air National Guard's 163rd Reconnaissance Wing flies near the Southern California Logistics Airport in Victorville, Calif., Jan. 7, 2012. (U.S. Air Force photo by Tech. Sgt. Effrain Lopez/Released (zu dpa Obama erlässt strenge Richtlinien für Drohnenschläge) +++(c) dpa - Bildfunk+++

美媒：基地研发反无人机技术

《华邮》易主发出警讯

《华邮》易主令美国报业为之一惊，但业外人士收购报纸并不罕见。

Titel: Graffiti an der chinesischen Botschaft in Washington Schlagworte: Graffiti, Zwangsumsiedlung, Ma Yongtian, Botschaft, abreißen Wer hat das Bild gemacht?: DW/Liu Ping Wann wurde das Bild gemacht?:10.07.2013 Wo wurde das Bild aufgenommen?: Washington DC Bildbeschreibung: An mehreren Stellen der Mauer der chinesischen Botschaft in Washington wurde das Zeichen "Abreißen" gesprüht, vermutlich eine Aktion der Demonstranten, die gegen die Zwangsumsiedlung in China protestieren. auf 2 Bilder zu sehen? Ma Yongtian, Protestlerin und Opfer der Zwangsumsiedlung

Titel: Graffiti an der chinesischen Botschaft in Washington Schlagworte: Graffiti, Zwangsumsiedlung, Ma Yongtian, Botschaft, abreißen Wer hat das Bild gemacht?: DW/Liu Ping Wann wurde das Bild gemacht?:10.07.2013 Wo wurde das Bild aufgenommen?: Washington DC Bildbeschreibung: An mehreren Stellen der Mauer der chinesischen Botschaft in Washington wurde das Zeichen "Abreißen" gesprüht, vermutlich eine Aktion der Demonstranten, die gegen die Zwangsumsiedlung in China protestieren. auf 2 Bilder zu sehen? Ma Yongtian, Protestlerin und Opfer der Zwangsumsiedlung

中国驻美使馆被涂鸦

中国驻美大使馆正门前被人以涂鸦方式喷上几个大大的“拆”字

U.S. President Barack Obama (L) meets with Russian President Vladimir Putin during the G8 Summit at Lough Erne in Enniskillen, Northern Ireland June 17, 2013. REUTERS/Kevin Lamarque (NORTHERN IRELAND - Tags: POLITICS TPX IMAGES OF THE DAY)--eingestellt von haz

U.S. President Barack Obama (L) meets with Russian President Vladimir Putin during the G8 Summit at Lough Erne in Enniskillen, Northern Ireland June 17, 2013. REUTERS/Kevin Lamarque (NORTHERN IRELAND - Tags: POLITICS TPX IMAGES OF THE DAY)--eingestellt von haz

俄美对立加剧

不论是叙利亚问题还是眼下的斯诺登事件，俄美两国互不让步

Symbolbild Guardian newspapers data journalism DW-Grafik guardian_.jpg

Symbolbild Guardian newspapers data journalism DW-Grafik guardian_.jpg

北京和华盛顿的外交难题

斯诺登因选择香港藏身而给北京和华盛顿平添了不少“麻烦”

《华盛顿邮报》：中国黑客盗取美国尖端武器设计

FILE - In this Dec. 12, 2012 file photo released by Korean Central News Agency, North Korea's Unha-3 rocket lifts off from the Sohae launch pad in Tongchang-ri, North Korea.North Korea vowed Monday, Jan. 14, 2013, to strengthen its defenses amid concerns the country may conduct a nuclear test as a follow-up to last month's long-range rocket launch. Citing U.S. hostility, Pyongyang's Foreign Ministry said in a memorandum that North Korea will “continue to strengthen its deterrence against all forms of war.” (Foto:KCNA, File/AP/dapd)

FILE - In this Dec. 12, 2012 file photo released by Korean Central News Agency, North Korea's Unha-3 rocket lifts off from the Sohae launch pad in Tongchang-ri, North Korea.North Korea vowed Monday, Jan. 14, 2013, to strengthen its defenses amid concerns the country may conduct a nuclear test as a follow-up to last month's long-range rocket launch. Citing U.S. hostility, Pyongyang's Foreign Ministry said in a memorandum that North Korea will “continue to strengthen its deterrence against all forms of war.” (Foto:KCNA, File/AP/dapd)

朝鲜：被低估的核武力量

现在，人们意识到朝鲜真正拥有核打击能力只是时间问题。

Syrian refugees go about their daily lives during a visit by Babatunde Osotimehin (not pictured), Executive Director of the United Nations Population Fund (UNFPA), at the Zaatari refugee camp in the Jordanian city of Mafraq, near the border with Syria April 15, 2013. Osotimehin visited the Zaatari refugee camp in Jordan on Monday to underscore the urgent needs of women and youths affected by the conflict in Syria. REUTERS/Muhammad Hamed (JORDAN - Tags: CIVIL UNREST POLITICS SOCIETY CONFLICT)

Syrian refugees go about their daily lives during a visit by Babatunde Osotimehin (not pictured), Executive Director of the United Nations Population Fund (UNFPA), at the Zaatari refugee camp in the Jordanian city of Mafraq, near the border with Syria April 15, 2013. Osotimehin visited the Zaatari refugee camp in Jordan on Monday to underscore the urgent needs of women and youths affected by the conflict in Syria. REUTERS/Muhammad Hamed (JORDAN - Tags: CIVIL UNREST POLITICS SOCIETY CONFLICT)

美国追加援救叙利亚难民拨款

U.S. President Barack Obama and South Korea's President Park Geun-hye depart a joint news conference in the East Room of the White House in Washington, May 7, 2013. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS)

U.S. President Barack Obama and South Korea's President Park Geun-hye depart a joint news conference in the East Room of the White House in Washington, May 7, 2013. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS)

“公敌”稳固美韩联盟

美国总统奥巴马向韩国总统保证，会助她一臂之力。

File - In this file photo released by Myanmar News Agency (MNA) on Thursday, March 31, 2011, Myanmar President Thein Sein delivers speech at the presidential house in Naypyitaw, Myanmar. Myanmar's president announced a major Cabinet reshuffle on Monday Aug. 27 2012, a move analysts see as advancing the once-pariah nation's reformist agenda. The shake-up is the biggest since President Thein Sein's government took office from the former military junta in March 2011 and launched a wave of dramatic reforms that have surprised the world and prompted Western powers to ease crippling sanctions. The announcement made late Monday on the president's official website said the overhaul affects nine of several dozen Cabinet posts. Some 15 new deputy ministers are also being appointed. (Foto: (AP Photo / MNA, File/AP/dapd)

File - In this file photo released by Myanmar News Agency (MNA) on Thursday, March 31, 2011, Myanmar President Thein Sein delivers speech at the presidential house in Naypyitaw, Myanmar. Myanmar's president announced a major Cabinet reshuffle on Monday Aug. 27 2012, a move analysts see as advancing the once-pariah nation's reformist agenda. The shake-up is the biggest since President Thein Sein's government took office from the former military junta in March 2011 and launched a wave of dramatic reforms that have surprised the world and prompted Western powers to ease crippling sanctions. The announcement made late Monday on the president's official website said the overhaul affects nine of several dozen Cabinet posts. Some 15 new deputy ministers are also being appointed. (Foto: (AP Photo / MNA, File/AP/dapd)

缅甸总统计划本月访美

A Chinese worker of the China State Construction Engineering Corporation (CSCEC) looks on January 30, 2010 at the site of the new African Union (AU) conference center in Addis Ababa. China, often accused of being concerned only with Africa's oil, is building, free of charge, the building that will house the continent's political headquarters for decades to come. AFP PHOTO / SIMON MAINA (Photo credit should read SIMON MAINA/AFP/Getty Images)

A Chinese worker of the China State Construction Engineering Corporation (CSCEC) looks on January 30, 2010 at the site of the new African Union (AU) conference center in Addis Ababa. China, often accused of being concerned only with Africa's oil, is building, free of charge, the building that will house the continent's political headquarters for decades to come. AFP PHOTO / SIMON MAINA (Photo credit should read SIMON MAINA/AFP/Getty Images)

揭开中国"援非"秘密

中国在对非洲展开“魅力攻势”时，需要面对日益自信的非洲人。

epa03633724 A picture released by the North Korean Central News Agency (KCNA) on 20 March 2013 saying the North Korean army is completely ready to fight against South Korea and the United States. North Korea threatened to attack US bases in Japan and on Guam 21 March 2013 in reaction to flights by US B-52 bombers in South Korea during joint manoeuvres, while the Stalinist state also activated air raid alerts. The North Korean army's command accused the United States of preparing for a nuclear war in its ongoing exercises with the South Korean military. EPA/KCNA SOUTH KOREA OUT EDITORIAL USE ONLY/NO SALES +++(c) dpa - Bildfunk+++

epa03633724 A picture released by the North Korean Central News Agency (KCNA) on 20 March 2013 saying the North Korean army is completely ready to fight against South Korea and the United States. North Korea threatened to attack US bases in Japan and on Guam 21 March 2013 in reaction to flights by US B-52 bombers in South Korea during joint manoeuvres, while the Stalinist state also activated air raid alerts. The North Korean army's command accused the United States of preparing for a nuclear war in its ongoing exercises with the South Korean military. EPA/KCNA SOUTH KOREA OUT EDITORIAL USE ONLY/NO SALES +++(c) dpa - Bildfunk+++

中国“友敌”的一场游戏

与美国隐形战机相比，“友敌”朝鲜的战争叫嚣更让北京感到头疼。

WASHINGTON, DC - MARCH 28: U.S. President Barack Obama (C) speaks while flanked Vice President Joseph Biden (L) and relatives of gun violence victims, in the East Room at the White House, on March 28, 2013 in Washington. President Obama urged Congress to pass measures such as background checks to protect children from gun violence. (Photo by Mark Wilson/Getty Images)

WASHINGTON, DC - MARCH 28: U.S. President Barack Obama (C) speaks while flanked Vice President Joseph Biden (L) and relatives of gun violence victims, in the East Room at the White House, on March 28, 2013 in Washington. President Obama urged Congress to pass measures such as background checks to protect children from gun violence. (Photo by Mark Wilson/Getty Images)

奥巴马敦促控枪

U.S. Secretary of State John Kerry speaks during a joint news conference with Qatar's Prime Minister and Foreign Minister Sheikh Hamad bin Jassim bin al-Thani in Doha March 5, 2013. Kerry said on Tuesday Washington was increasingly confident that weapons being sent by others to the Syrian opposition were going to moderate forces within it rather than to extremists. REUTERS/Stringer (QATAR - Tags: POLITICS)

U.S. Secretary of State John Kerry speaks during a joint news conference with Qatar's Prime Minister and Foreign Minister Sheikh Hamad bin Jassim bin al-Thani in Doha March 5, 2013. Kerry said on Tuesday Washington was increasingly confident that weapons being sent by others to the Syrian opposition were going to moderate forces within it rather than to extremists. REUTERS/Stringer (QATAR - Tags: POLITICS)

美国国务卿计划下周访问韩日中

South Korean Naval Chief of Staff Choi Yun-hee (2nd L, front) talks with officers in front of launch pad equipped with cruise missiles on South Korean Navy's Aegis destroyer Sejong on the sea off Busan, southeast of Seoul February 14, 2013. South Korea unveiled a cruise missile on Thursday that it said can hit the office of North Korea's leaders, trying to address concerns that it is technologically behind its unpredictable rival which this week conducted its third nuclear test. REUTERS/South Korean Navy/Handout (SOUTH KOREA - Tags: MILITARY POLITICS) ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. SOUTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN SOUTH KOREA

South Korean Naval Chief of Staff Choi Yun-hee (2nd L, front) talks with officers in front of launch pad equipped with cruise missiles on South Korean Navy's Aegis destroyer Sejong on the sea off Busan, southeast of Seoul February 14, 2013. South Korea unveiled a cruise missile on Thursday that it said can hit the office of North Korea's leaders, trying to address concerns that it is technologically behind its unpredictable rival which this week conducted its third nuclear test. REUTERS/South Korean Navy/Handout (SOUTH KOREA - Tags: MILITARY POLITICS) ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. SOUTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN SOUTH KOREA

朝鲜要求美韩放弃联合军演