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 gives his take on the dangers of vaccine nationalism and what it could mean for the world's recovery from Covid-19. Then, for the second weekend in a row, Russians heeded the rallying cry of Kremlin critic Alexey Navalny. Demonstrations against Putin were planned in over 120 cities across the country. Will Russia's government continue its harsh response to the protests? And, how will this change U.S.-Russia relations? Julia Ioffe and Alexander Gabuev join Fareed to discuss. Then, in an exclusive, one-on-one interview, Biden's climate envoy, John Kerry, tells Fareed about the administration's ambitious plan to curb the climate crisis.