Barack Obama: “It is, in so many ways, the story of our Nation's progress.”

Now the ball’s in your court, Iowa.

We’ve now fought a war, spent billions and billions of dollars, you know, put enormous strain on our military. A lot of people have died. And it feels like we’re back where we were before we started the war, except maybe a little bit worse…

it was nevertheless important that we all play a part in assuring that our elected officials are accountable.

There’s no doubt that we are going through a period right now of disruption, polarization.