Watchdog: US troop pullout was key factor in Afghan collapse

Taliban fighters stand guard at a checkpoint near the U..S embassy that was previously manned by American troops, in Kabul, Afghanistan, Aug. 17, 2021. A new report says decisions by Presidents Donald Trump and Joe Biden to pull all U.S. troops out of Afghanistan were the key factors in the collapse of that nation's military, leading to the Taliban takeover last year. (AP Photo, File)