Though the fear of imminent war has receded, the Middle East has been profoundly destabilised by the American assassination of Iranian General Qasem Soleimani. The unfolding US-Iran conflict will impact the whole region, not least Iraq - where the Iranians are intent on hastening the end of America's military presence. Stephen Sackur interviews Douglas Silliman, former US ambassador to Iraq until a year ago. Does Trump have a strategy - if so, what is it?.
