George Bush actually said...

It was a shameful act. For someone to disclose this very important program in a time of war. The fact that we're discussing this program is ...

Do I have the legal authority to do this? Absolutely.

He lashed out, as well, at suggestions that the policy gives him the power of a dictator.

To save American lives, we must be able to act fast, and to detect these conversations so we can prevent new attacks.