“Remember, Iran cannot have any nuclear weapons. Very simple. Don’t have to go too deep into it. They just can’t have nuclear weapons.” “Iran’s leaders should understand that I do not have a policy of containment; I have a policy to prevent Iran from obtaining a nuclear weapon.”

The United States has inserted itself into Israel’s war against Iran by dropping 30,000-pound bombs on an uranium enrichment site buried under a mountain

On the heels of US attacks on three nuclear sites in Iran Saturday, here's a look at which nations currently possess nuclear weapons.