Barack Obama: “Real change, big change, is always hard.”

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.

Your task is not to impose litmus tests.

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