It takes more than one dove to make peace in the Middle East.

For me, America is really, truly the indispensable nation.

Life is grim, and we don't have to be grim all the time.

Well we're good friends so I'm a little prejudice, but I think [Hillary Clinton] is incredibly qualified, and better prepared to be president than almost anyone who's ever run frankly.

Embrace the faith that every challenge surmounted by your energy; every problem solved by your wisdom; every soul stirred by your passion; and every barrier to justice brought down by your determination will ennoble your life, inspire others, serve your country, and explode outward the boundaries of what is achievable on this earth.

My deepest regret from my years in public service is the failure of the United States and the international community to act sooner to halt these crimes.

Iraq is a long way from the U.S., but what happens there matters a great deal here. For the risks that the leaders of a rogue state will use nuclear, chemical or biological weapons against us or our allies is the greatest security threat we face.