An Afghan army soldier walks past Mine Resistant Ambush Protected vehicles that were left after the American military left Bagram air base, north of Kabul, Afghanistan, on July 5.
Mandatory Credit:	Rahmat Gul/AP

An Afghan army soldier walks past Mine Resistant Ambush Protected vehicles that were left after the American military left Bagram air base, north of Kabul, Afghanistan, on July 5.
Mandatory Credit: Rahmat Gul/AP

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Biden defends pulling US out of Afghanistan as Taliban advances: 'We did not go to Afghanistan to nation-build'

President Joe Biden delivered a vehement defense Thursday of his decision to end the war in Afghanistan, insisting no amount of sustained American presence there could resolve the country's own intractable problems.