Dubya appears on 'The Late Show': Salon.com Politics | Meet the press, with David Letterman.

"Bush was humble and pleasant seeming all night. Asked about his performance during the debates, he said, "Well, a lot of folks don't think I can string a sentence together. And so when I was able to do so ... Expectations were so low, all I had to do was say, 'Hi, I'm George W. Bush.'"