Barack Obama: “This is a big problem. And it's going to get worse.”

A belief that our military and law enforcement owe allegiance not to any president or political party, but to the people and our constitution … a belief in the peaceful transfer of power

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

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

Now the ball’s in your court, Iowa.