Biden says he's aiming for the August 31st deadline, leaving the possibility of extending that date. And UK Prime Minister Boris Johnson says G7 countries have struck a deal with the Taliban to continue to allow for the safe passage of Afghans after the 31st. Josef Gregory Mahoney, a Professor of Politics at East China Normal University, where he is also the Executive Director of the International Center for Advanced Political Studies and the Director of the International Graduate Program in Politics. He talks about the possibility of evacuation of Afghan civilians, and how the Taliban would improve its international image.