Almost all of the liberal and Christian members of the constitutional commission have withdrawn, because we all fear that the Muslim Brotherhood will pass a document with Islamist undertones that marginalizes the rights of women and religious minorities. Who sits in this group? One person, who wants to ban music, because it's allegedly against Sharia law; another, who denies the Holocaust; another, who openly condemns democracy.

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.

As long as some of us choose to rely on nuclear weapons, we continue to risk that these same weapons will become increasingly attractive to others.

All I know is, I think I would like to continue to do public service.

Nuclear proliferation is on the rise. Equipment, material and training were once largely inaccessible. Today, however, there is a sophisticated worldwide network that can deliver systems for producing material usable in weapons.

The Egyptians have grown in confidence, theyve tasted freedom, and theres no way back.

If you bet on individuals, instead of the people, you are going to fail.