These days, the House Republicans actually give John Boehner a harder time than they give me. Which means orange really is the new black.

We can't wait for Congress to do its job. So where they won't act, I will.

It's important to listen to what scientists have to say, even when it's inconvenient, especially when it's inconvenient

I'm measuring my actions against that inner voice that for me at least is audible, is active, it tells me where I think I'm on track and where I think I'm off track.

The president [Barack Obama] laid out his vision for foreign policy in a way that we hadn't heard before. And it could be summed up, I think, in two words - realistic idealism.

Three months is a lifetime in politics.

When people see opportunity, when they have a sense of control of their own destiny, then they're less vulnerable to the propaganda and twisted ideologies that have been attracting young people - particularly being turbocharged through social media.