The latest news on nuclear weapons
U.S. must respect the Jewish state's past restraint and current need for self-defense.
Pyongyang said it was no longer bound by the 1953 armistice that ended the Korean War.
Is China the real issue?
North Korea launches missiles a day after firing a nuclear bomb underground.
Common threat to the region could make allies of sworn enemies.
The Pakistani president says the country's nuclear arsenal is safe.
Though concerned, U.S. officials say authorities have stepped up security of nuclear weapons.
The president is trying to reach out to Iran, but it's hard to figure out what the regime really wants.