I think the regime in North Korea is more fragile than people think. The country's economic system remains desperate, and one thing that could happen for example would be under a new government in South Korea, to get the South Korean government to live up to its own constitution, which says any Korean who makes it to South Korea, is a Korean citizen. A citizen of the Republic of Korea. And you could imagine the impact that would have inside North Korea if people thought, "If I could get out and make it to South Korea, I could have a different life."

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

There is no patriotic obligation to help advance the career of a politician who is otherwise pursuing interests that are fundamentally antithetical to your values. That's not the call of patriotism.

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.

We estimate that once Iraq acquires fissile material - whether from a foreign source or by securing the materials to build an indigenous fissile material capability - it could fabricate a nuclear weapon within one year.

North Korea is going to get away with keeping its nuclear weapons.

Diplomacy is not an end in itself if it does not advance U.S. interests.