As a candidate for the U.S. presidency, Donald Trump vowed to end the war in Afghanistan. But seven months after his inauguration, he changed his mind, saying that the United States should “fight to win.”

A year later, with the Taliban controlling or contesting more territory than at any point since 2001, representatives from the Trump administration traveled to Doha, Qatar, to open direct negotiations with the Taliban. Finalized in February 2020, the Doha agreement was hailed by the Taliban as a victory. The Afghan government called it a historic betrayal.

Veteran Middle East correspondent Sebastian Walker has the story.