Bogging down large armies in historically complex, dangerous areas ends in disaster.

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.

There are always consequences to actions that you take. There are consequences to inaction. And thinking through, asking the questions, "Well, then what happens? What comes next?" is critically important.

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.

Things aren't getting better; they're getting worse. The White House is completely disconnected from reality. It's like they're just making it up as they go along. The reality is that we're losing in Iraq.

We must prepare for everything.

Iraq was a war of choice, like Vietnam.