Journalist and author Fareed Zakaria hosts this in-depth look at the major global developments of the week (the title's "GPS" stands for "Global Public Square"), with an emphasis on new ideas and innovative solutions to the world's toughest problems. Each episode also features Zakaria leading a panel discussion and interviewing a major world figure.As President Ghani flees Afghanistan while the Taliban seizes control of the country, Fareed talks to Clarissa Ward, CNN's Chief International Correspondent, and later Nick Paton Walsh, CNN's International Security Editor, about the breathtaking speed of the Taliban's takeover. Then, former Joint Chiefs Chairman, Adm. Mike Mullen (Ret.), talks about what happened to the Afghan Army. Also, what will be the fate of women in Afghanistan? Mahbouba Seraj, a women's rights activist in Kabul, tells Fareed how she will continue to fight for women's rights in the country. Then, after weeks of back-to-back climate catastrophes around the world, John Kerry, Special Presidential Envoy for Climate, calls for more effective global climate action. Plus, Greece's Prime Minister, Kyriakos Mitsotakis, tells Fareed about the devastating fires that burned through his country and what the E.U., U.S., and the world need to do in order to ensure a climate-stable future.