Barack Obama: “It is the most challenging job I'll ever have in my life.”

At least one of our major parties has been captured by politics that is not that subtle about suggesting that ‘We the people’ means a certain kind of people.

That's what I hope every visitor to this center takes away from their experience.

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.

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.