I see this turned into a damn tea party thread all of a sudden...
hilarious...
Anyway, its the President of the United States...that said, athletes are sensitive to a certain degree. Some more than others. Whether he mentally shuts down or uses it for motivation, I would think either way would show some level of sensitivity towards a critique of his game.
All of these players are sensitive, its like anger, its what you do with it that matters. What is sad is that Rondo, who is a very gifted and unique player, shut down.