"I don't agree that you, when you become students at colleges, have to be coddled and protected from different points of view," he said. "Anybody who comes to speak to you and you disagree with, you should have an argument with 'em. But you shouldn't silence them by saying, 'You can't come because I'm too sensitive to hear what you have to say.' That's not the way we learn either." The man in question was Barack Obama, then still president of the United States. It"