Poverty does not cause violence and terrorism. Lack of education does not cause terrorism.

Al-Qa'ida is the antithesis of the peace, tolerance and humanity that is at the heart of Islam.

We know from the material that was recovered from the bin Laden compound that bin Laden was looking at the 10th anniversary of 9/11 as an opportunity to strike yet again at the U.S. homeland.

President Obama has made it clear that the United States is determined to prevent Iran from acquiring nuclear weapons.

You always, I think, debate with yourself about whether or not you made the right decision. And you have to then give the person that you’re working for - in my instance, the president - your best judgment based on your understanding of the facts, but also the calculus you use to make a determination about what’s the best way to go forward.

We need to make sure that leaks of classified information, of national security secrets, needs to be rigorously pursued and prosecuted to the fullest extent of the law.

I go to bed at night worrying that I didn't do enough that day to make sure I protect the American people.