Barack Obama actually said...

The threat of global nuclear war has gone down, but the risk of nuclear attack has gone up.

The gravest danger to the American people is the threat of a terrorist attack with a nuclear weapon and the spread of nuclear weapons to dan...

We must ensure that terrorists never acquire a nuclear weapon. This is the most immediate and extreme threat to global security.

the greatest danger to the American people is the threat of a terrorist attack with a nuclear weapon and the spread of nuclear weapons to da...