I have a lot of interests in global issues, as you know, humanity, inequity, arms control, and I continue to be active on all these issues.

Every country has the right to nuclear technology as long as they use it safely, peacefully and in a secure way.

I worry about a democracy having nuclear weapons as much as a dictatorship having nuclear weapons.

The gravest threat faced by the world is of an extremist group getting hold of nuclear weapons or materials.

Managing a country is like managing a company in many ways. It maybe involves more complicated issues, but its the same skills.

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.

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.