American warplanes are once again attacking targets in Iraq - ordered into action by a president who made it his business to end US military involvement in Iraq. To Barack Obama's critics, it is one more piece of evidence pointing to an incoherence of strategy in a region becoming ever more unstable and dangerous. HARDtalk speaks to Ali Khedery, a former adviser to a number of American ambassadors in Baghdad. Does the United States have the ability to impose its will on the Middle East?