I don't want my generals or my defense secretary or my national-security team to ever feel deploying weapons to kill people as routine or abstract, even if the targets are bad people.

The bottom line is this - whereas Iran was steadily expanding its nuclear program, we have now cut off every single path that Iran could have used to build a bomb.

My job to the Muslim world is to communicate that the Americans are not your enemy. We sometimes make mistakes. We have not been perfect.

As an elected official who comes from the African-American community, there are some similarities. You are always trying to reconcile your own personal biography and affiliations with the demands of the broader democracy. And you need to make sure you are representing everybody.

I've now been in 57 states. I think one left to go.

We need to spend a trillion dollars rebuilding our schools, our roads, our basic science and research here in the United States.

Try to be as honest as possible.