Barack Obama has injected fresh momentum into efforts - stalled for a decade - to bring about nuclear disarmament.

Barack Obama has injected fresh momentum into efforts - stalled for a decade - to bring about nuclear disarmament.

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.

I'm a lawyer. I go for due process; I go for fairness and equity - these values mean a lot to me.

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

Nobody wants any country to have nuclear weapons.