Thousands of sick and dying Syrians had flooded the hospitals in the Damascus suburbs before dawn, hours after the first rockets landed, their bodies convulsing and mouths foaming. Their vision was blurry and many could not breathe. Overwhelmed doctors worked frantically, jabbing their patients with injections of their only antidote, atropine, hoping to beat back the assault on the nervous system waged by suspected chemical agents. In just a few hours, as the patients poured in, the atropine ran out. To avoid contamination, medics stripped new arrivals down to their underwear and doused them with water before taking them inside....