Barack Obama: “If what North Korea has been doing has not resulted in a strong, prosperous nation, then now is a good time for Kim Jong…”

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.

We designed the center not to be some lifeless mausoleum.

helped lead some of the most significant movements for change in human history