Barack Obama: “I think it will happen in fits and starts.”

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

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.

They're meant to remind us of who we can be, to remind us of what's possible, so we can forge ahead.