Climate change is one of the issues I worry most about because its impacts are enormous. But they're gradual, they're not immediate.

What we've seen at least since 1979 is Iran making constant, calculated decisions that allow it to preserve the regime, to expand their influence where they can, to be opportunistic, to create what they view as hedges against potential Israeli attack in the form of Hezbollah and other proxies in the region.

I think it's really important to enlarge the issue behind abortion. I have been serving for over two decades and I have seen year in and year out largely the Republicans voting against women's contraception, family planning.

Let's say I'm on the policy wonk end of the spectrum. As much as I can dive into a briefing book and really work to master various subjects that come before my desk, I'm still not an expert on a huge amount of the stuff that we work on.

You didn't elect me to tell you what you wanted to hear. You elected me to tell you the truth.

If we don't reform how healthcare is delivered in this country, then we are not going to be able to get a handle on that escalating healthcare costs.

There’s no doubt that there’s some folks who just really dislike me because they don’t like the idea of a black President.