Not long after he touched down at Bagram Air Base in Afghanistan on Saturday, Barack Obama posed for pictures with three American officials, a pair of military men in uniform, and one rather imposing statue of a bald eagle. It was an ideal photo opportunity for a candidate looking to convince skeptics of his patriotism - just 37 percent of voters identified Obama as "very patriotic" in a recent CBS News/New York Times poll - and his toughness when it comes to foreign policy. And it was typical of the images that have come out of Obama's visit to the...