For the United States to recommit itself to the obligation that we undertook in the Nuclear Non-Proliferation Treaty that many other states undertook, which was to work towards disarmament and the eventual elimination of nuclear weapons, is something that manifestly serves our national security interests.

I am blunt sometimes; I am diplomatic sometimes; I am all things in between. Abrasive, you know, I guess it's in the eye of the beholder.

I have to separate my personal concerns from my professional responsibilities.

I was conscious of the fact that it could be to my disadvantage to marry a white guy - that some folks would hold that against me.

President Obama is an extraordinary person to work with and for.

We have been very clear that Israel has an undeniable right to self-defense and that the rockets that it has faced coming out of Gaza incessantly, the tunnels that are legion and are being used to infiltrate into Israel are very legitimate security concerns, for which they have an obligation - against which they have an obligation to act.

Peace, prosperity, and democracy cannot endure if imposed from the outside. We should cease to make false distinctions between peacekeeping and prevention; they are in fact inextricably linked.