Of course it can’t, because Obama has hamstrung the military with rules of engagement that make effective action impossible. He has crippled the military’s ability to understand, and thus to counter effectively, the motivating ideology of the enemy. And he has emboldened the enemy by forcing his commanders to grovel before the Afghan people in a way that signaled only weakness.
Meanwhile, another reason why the U.S. cannot eliminate the Taliban is because our “ally” the Saudis have been aiding the Taliban.