PoliticsUS Journalist David Maraniss on Obama, Trump and MerkelTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoPolitics11/18/2016November 18, 2016American journalist and author David Maraniss thinks that Merkel may take up the mantle of 'leader of the free world' after Obama.https://p.dw.com/p/2SsDkAdvertisement