Barack Obama: “I didn't come here to debate the past; I came here to deal with the future.”

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.

Now the ball’s in your court, Iowa.

Every president here today, as different as we are, has tried our best to uphold the values that John McCain and Mitt Romney believed in no less than I did.

For almost four decades, Nancy Pelosi served the American people and worked to make our country better.