If Iran obtains nuclear weapons, then almost certainly Saudi Arabia will do the same, as will Egypt, Turkey and perhaps others in the region.

The North Koreans will sell anything to anybody for hard currency. If Al Queda came up with enough dollars to buy a nuclear weapon from North Korea I don't have any doubt that the North Koreans would sell it to them.

I think the International Criminal Court could be a threat to American security interests, because the prosecutor of the court has enormous discretion in going after war crimes.

I'm not saying that you need a State Department that looks like the litigation department of a major law firm. But you need people who are not afraid to make the case for the United States, who are not afraid to stand their ground, not afraid to be isolated in international organizations when that's the correct approach for our diplomacy. This is a cultural change that has to be effected through incentive systems, promotion systems, career training systems. This is not something that you can do with the stroke of a magic wand, it's going to take years to make this change.

Obama sees America as another country on the UN role call. Somewhere between Albania and Zimbabwe.

Texas is a big state. It's a major force in the Republican Party.

The only way to resolve the North Korean problem is to change the regime.