Afghanistan’s future is more uncertain after U.S. troops withdraw

U.S. President Joe Biden says all American troops will leave Afghanistan by September 11, two decades after the mission began. Mike Armstrong looks back at its original goal, the role Canada played in Afghanistan, and the uncertainty that lies ahead for the war-torn nation.

• A look at the cost of America’s 20-year-long war in Afghanistan
• Deadline for U.S. troop withdrawal from Afghanistan has Kabul on ‘high alert’
• Biden to pull remaining U.S. troops from Afghanistan, end America’s longest war