We know North Korea has the plutonium that can go into the bomb.

The simple fact is that there is a limited amount of water on the planet, and we cannot afford to be negligent in its use. We cannot keep treating it as if it will never run out.

Whether weapons exist in Iraq, Saddam Hussein or post-Saddam Hussein, it is a serious enough issue that require that we continue to go and make sure that Iraq does not have weapons.

Libya is a good example of a country that has come to a realization that weapons of mass destruction threaten more than assure, and I hope that will be followed by others.

If the world does not change course, we risk self-destruction.

Egyptian President Mohammed Morsi grabbed full power for himself. Not even the pharaohs had so much authority, to say nothing of his predecessor Hosni Mubarak. This is a catastrophe - it a mockery of the revolution that brought him to power and an act that leads one to fear the worst.

My father taught me that you have to stand by your principles.