Thanks to Slate for the video link, and thanks to Troy for lines like the following:
You'll see what he means in the video. One caveat - It is long, but could just be listened to. It slows down at about the 15 minute mark, too, but the bit with Helen Thomas was more amusing than the press corps would have you believe.
"In the immediate wake of Colbert's most brutal line ("I stand by this man. I
stand by this man because he stands for things. Not only for things, he stands
on things. Things like aircraft carriers and rubble and recently flooded city
squares."), the president of the United States wore, on his peeved lips, an
expression that you usually see only in the instant before a bar fight. "