Barack Obama: “Our character as a nation has not changed.”

Now the ball’s in your court, Iowa.

No one was more skilled at bringing people together and getting legislation passed.

In forming our union, the founders fell terribly short of the Declaration's promise, leaving slavery intact, allowing states to restrict the franchise to white men who owned property.

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.