Q&A: Islamic State has fewer than 1,000 fighters in Afghanistan. So why did Trump drop the ‘mother of all bombs’?


On Thursday night, the U.S. military unleashed a 20,000-pound bomb — one of the largest non-nuclear weapons in its arsenal — on a tunnel complex the Pentagon said was used by Islamic State fighters in eastern Afghanistan. It was a dramatic escalation of American operations against the militant group’s affiliate in South Asia. It also came…