The United Nations has a critical role to play in promoting stability, security, democracy, human rights, and economic development. The UN is as relevant today as at any time in its history, but it needs reform.

I don't get into the book-telling business of conversations I have with the president. That's not my style, and I don't think that's a responsible thing to do.

The recent wave of Taliban attacks has made clear that the international community must not waiver in its support for a stable, secure and prosperous Afghanistan.

I would not trade America's position in the world - our ledger, our debts and assets - for any country in the world. There isn't a country in the world even close to America.

The Israeli people must be free to live in peace and security.

This is eventually how Syria will be resolved - through a political settlement.

If America is to succeed in responding to these 21st Century challenges, our political system cannot continue to bog down in the mire of partisan gamesmanship.