Hadi al-Bahra - President of the Syrian National Coalition

Six weeks into the American-led air strikes on so-called Islamic State militants in Syria, serious questions are being asked about the wisdom of the US strategy. Worryingly for President Obama many of these questions are coming from the moderate Syrian rebels who are supposed to be Washington's partner of choice. Stephen Sackur speaks to Hadi al-Bahra, the president of the Syrian National Coalition. Is America's strategy playing into the hands of the Assad regime?