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.Fareed offers his take on why leaving Afghanistan is still the right decision despite the heartbreaking and chaotic withdrawal. But, first, Jim Sciutto opens the show with Afghan natives Rina Amiri, Senior Fellow at NYU's Center for Global Affairs, and Sami Mahdi, an Afghan journalist, on the future of their home country. Reporting from Hamid Karzai International Airport in Kabul, CNN's Senior International Correspondent Sam Kiley describes the ongoing troubles there. Then, Rory Stewart, former U.K. Secretary of State for International Development, and Andrey Kortunov, the Director-General for the Russian International Affairs Council, join Jim to discuss how America's allies and adversaries are reacting to the Afghanistan debacle. Also, former U.K. Foreign Secretary David Miliband explains to Jim how the Taliban takeover created not just a political-economic crisis but also a humanitarian one. Plus, a conversation with Laurie Santos, Professor of Psychology at Yale University and host of The Happiness Lab podcast, about how to train our brains to find happiness amidst these very challenging times.