"You can learn an awful lot about a man campaigning with him, debating him, and seeing how he reacts under pressure. You learn about the strength of his mind. But even more importantly, you learn about the quality of his heart.
"I watched how he touched people, how he inspired them, and I realized he has tapped into the oldest American belief of all: we don't have to accept a situation we cannot bear. We have the power to change it."
-- Vice Presidential candidate Joe Biden at last night's acceptance speech