Obama turns up pressure on Putin over SyriaTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video08/05/2016August 5, 2016US President Barack Obama warned Russia faces fierce international rebuke if it continues to make common cause with Syria's brutal regime, signaling a renewed push to end the bloody five-year civil war.https://p.dw.com/p/1Jc0IAdvertisement