At Nuts and Boalts Armen has been taking issue with Eugene Volokh taking issue with Slate taking issue with the inadvertantly comedic things Bush so often says. (Follow that?)
To be fair to Volokh, he might be right that sometimes people are too quick to find an excuse to make fun of Bush. Some of the things he says can be fairly understood to be innocuous unless you're really trying to find something to make fun of.
On the other hand, sometimes Bush makes it so easy. I remember hearing him on the radio giving a speech from O'Hare shortly after 9/11, when he was giving an update on the state of things. Including that "border relations between Canada and Mexico have never been better." It was news to me that they were adjacent...