Thursday’s US missile attack on Syria must represent the quickest foreign policy U-turn in history. Less than a week after the White House gave Assad permission to stay on as president of his own country, President Trump decided that the US had to attack Syria and demand Assad’s ouster after a chemical attack earlier in the week. Trump blamed Assad for the attack, stated that “something’s going to happen” in retaliation, and less than two days later he launched a volley of 59 Tomahawk missiles...
