We here in Britain are well-aquainted with the haughty disdain with which U.S. President Barack Obama likes to treat his European allies. We might have the largest military force of any European country fighting alongside the Americans in southern Afghanistan, but that doesn’t seem to count for much at the White House, where Mr Obama’s shabby treatment of our prime minister has now become the norm. Whether it is offering him a box set of dvds, or forcing him to conduct important bilateral meetings in the kitchens of the U.N. complex in New York, Mr Obama’s charmless treatment of Gordon...