The Senator from Massachusetts has given us ample grounds to doubt the judgment and the attitude he brings to bear on vital issues of national security.

We believe he has, in fact, reconstituted nuclear weapons.

The bottom line is that we've had enormous successes (in Iraq) and we will continue to have enormous successes.

Remember, success for a politician is 50% plus one. You don't have to have everybody on board.

I mean, it's not just one day you get up, bang, and you got Osama bin Laden. It's the kind of thing where an awful lot of people over a long period of time - thousands have worked this case and these issues and followed on the leads and captured bad guys and interrogated them and so-forth.

In our own country, we take democratic values seriously - and so we always have a vigorous debate on the issues. That's part of the greatness of America, and we wouldn't have it any other way.

We're fighting a war on terror because the enemy attacked us first, and hit us hard. ... Al Qaeda's leadership has said they have the right to kill four million Americans,... For nearly six years now, the United States has been able to defeat their attempts to attack us here at home. Nobody can guarantee that we won't be hit again.