Obama is unflappable, in his comfort zone, in front of a adoring crowd that will only cheer, and then only on cue, with teleprompters, with his personal make-up men, surrounded by a bubble created by an army of men.
Let's put him out on a front line somewhere and let him have to follow his idiotic rules of engagement. I bet we'd see him sweat then. Hell, we might even hear him mutter a prayer to divine being he thinks is his equal.