Reagan, to whom Bush is a disciple, preferred his adversaries to doubt his sanity and rationality. Keeps your opponent off guard and always wondering what you are capable of. It is an entirely effective technique and the Bush people are not running amateur hour here.
It is my feeling that they are pure globalists who believe that the nation state is outdated and they serve a new world that most people haven't noticed exists yet. The constituency of the current US Administration is the wealthy class and Bush has made as much clear when speaking to this audience.
Watch what they do, rather than what they say and it's all very simple.
In the same line of thinking, the french should certainly not underestimate Sarkozy by attributing his actions to a little man complex.