Special Report: Biden announces U.S. military mission in Afghanistan will end on August 31

Read MorePresident Biden announced Thursday that the last U.S. troops will leave Afghanistan on August 31, ending the U.S. involvement after 20 years of war. Watch Mr. Biden’s speech and analysis from Charlie D’Agata in Kabul, David Martin at the Pentagon and Nancy Cordes at the White House.President Biden announced Thursday that the last U.S. troops will leave Afghanistan on August 31, ending the U.S. involvement after 20 years of war. Watch Mr. Biden’s speech and analysis from Charlie D’Agata in Kabul, David Martin at the Pentagon and Nancy Cordes at the White House.