Israel Can Have Nuclear Weapons - So WHY Can’t Iran?

Right now, there are more than 12,000 nuclear weapons on Earth. The detonation of just one could kill hundreds of thousands, flatten a city, poison survivors for generations, and reshape global politics permanently. These weapons are the ultimate currency of power. So why do some countries get to have them, while others are told they can’t? Why is Israel widely believed to possess nuclear weapons, while Iran faces intense international pressure over its program? How did North Korea—one of the world’s most repressive regimes—successfully build a nuclear arsenal, while countries like Germany and Japan did not? And what...