Why should a great and powerful nation like the United States allow its relationship with more than a billion Muslims around the world to be defined by the narrow hatred and nihilistic actions of an exceptionally small minority of Muslims?

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

We are in this business, whether it be intelligence or the government, to protect freedom, democracy and liberty, not to violate that.

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.

Terrorism needs to be fought against and certainly delegitimized or attacked, but some of the underlying grievances that might in fact lead individuals astray to terrorism cannot be ignored.

The risk of just one terrorist with just one nuclear weapon is a risk we simply cannot afford to take.

A lot of things look good on an academic's blackboard in terms of the actions that need to be taken. It's almost like a football coach, when you draw the X's and O's: Every play that is chalked on that board goes for a touchdown. Well, there are a lot of yards to be made between the line of scrimmage and the touchdown.