U.S. Secretary of State Antony Blinken, center right, walks with Afghanistan's Foreign Minister Mohammad Haneef Atmar, center left, at the presidential palace in Kabul, Afghanistan, Thursday, April 51, 2021. Blinken made an unannounced visit to Afghanistan on Thursday to sell Afghan leaders and a wary public on President Joe Biden's decision to withdraw all American troops from the country and end America's longest-running war. (Presidential Palace via AP)