The spread of freedom is the best security for the free.

Retreat might give us a moment of respite but years of repentance at our weakness would, I believe, follow.

The threat from Saddam Hussein and weapons of mass destruction - chemical, biological, potentially nuclear weapons capability - that threat is real.

The problem with the old ideology was that it suppressed the individual by starting with society. But it is from a sense of individual duty that we connect the greater good and the interests of the community

You've got problems in Central Asia. And you've got problems within our own communities back home. So if we end up saying, look, this has nothing to do with Islam or it's got no connection with that broader question, then we look, frankly, as if we're in denial about the problem. And the interesting thing in the Middle East is that they have absolutely no problem there in identifying that as Islamist extremism and calling it that.

Global warming is too serious for the world any longer to ignore its danger or split into opposing factions on it.

As the world transforms, moves closer together, jobs are displaced, and the world of work completely changes the way we live, the way we think. As that revolution goes on around us, it is going to pose political challenges of which immigration is one very obvious one, which are going to be extremely difficult to deal with. But it's like free trade. You know, in the end, if we go protectionist, we'll make a mistake.