Changing His Behavior Tonite

Four years ago Al Gore was criticized for “sighing” during the first debate with George W. Bush. During the second debate Gore was much more restrained, so he was widely criticized as being someone who changes his behavior in order to get votes.

So, for Bush tonite, which will it be, and if he does not act like a spoiled teenager will the press widely criticize him for changing his behavior in order to get votes?