I'm so overexposed, I'm making Paris Hilton look like a recluse.

No challenge poses a greater threat to future generations than climate change.

If we have actionable intelligence about high value terrorist targets and President [Pervez] Musharraf will not act, we will.

Globalization combined with technology, combined with social media and constant information, have disrupted people's lives sometimes in very concrete ways; a manufacturing plant closes and suddenly an entire town no longer has what was the primary source of employment.

I don't believe people should to be able to own guns.

I think that what is always true when you run against an incumbent president is, is that you end up talking more about that president's record than your vision for the future, and I think that the Democrats do have to present a proactive agenda and vision for the country and not simply run against something if they're going to be successful.

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.