Imagine how difficult this issue would be if Iran had a nuclear weapon. And so therefore it's up to the international community, including the United States, to work in concert to - for effective diplomacy.

Our job is to help Iraq forces be better equipped, to help their police be able to deal with these extremists and to help their government succeed.

First of all, I don't see America having problems.

I regret the fact that Saddam [Hussein] didn't have weapons of mass destruction that we thought. I don't regret removing him from power.

When we make a pledge, we mean it. We keep our word, and what we begin, we will finish.

When our children and grandchildren look back on this period, one question will overwhelm all the rest: Did we do everything in our power to fight and to win the war on terror? That's the fundamental question this generation faces.

I've set a clear doctrine: America makes no distinction between the terrorists and the countries that harbor them. If you harbor a terrorist, you're just as guilty as the terrorists, and you're an enemy of the United States of America.