Barack Obama: “The most important ingredients obviously are your work ethic, your--you initially have an idea, you're willing to take…”

I obviously have a room in his head.

I think when you understand the complexities of America and the contradictions of America, I don’t think it makes you love it less. I think it makes you love it more.

The success of this experiment was never a given.

Now the ball’s in your court, Iowa.