With a new weapon in Trump’s hands, the Iran crisis risks going nuclear
William Arkin writes: Ten days before Donald J. Trump was elected president in 2016, the United States nuked Iran. The occasion: a nuclear war exercise held every year in late October. In the war game, after Iran sank an American aircraft carrier and employed chemical weapons against a Marine Corps force, the Middle East commander requested a nuclear strike, and a pair of B-2 stealth bombers, each loaded with a single nuclear bomb, stood by while the president deliberated. “Testing…