There are times where I've made mistakes or our administration hasn't always aligned ourselves with the values we need to align ourselves with. It's a work of constant improvement.

Sergeant first class Cory Remsburg never gives up and he does not quit.

The president [Barack Obama] understands that the country's very concerned about [terrorism] issue. And I think what you're going to hear from him is a discussion about what government's doing to ensure all of our highest priority, the protection of the American people.

Today we're seeing that climate change is about more than a few unseasonably mild winters or hot summers. It's about the chain of natural catastrophes and devastating weather patterns that global warming is beginning to set off around the world.. the frequency and intensity of which are breaking records thousands of years old.

Let's take the money that we've been spending on war over the last decade to rebuild America, roads, bridges schools. We do those things, not only is your future going to be bright but America's future is going to bright as well.

The opportunity will not remain open indefinitely.

There are institutional obligations I have to carry out that are important for a president of the United States to carry out, but may not always align with what I think would move the ball down the field on the issues that I care most deeply about.