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.The threat of the Delta variant looms over the recovery of the economy and the health of the global population, Fareed asks Nobel Prize-winning economist Paul Krugman what this stage of the pandemic will look like, and if the economy will shut down again. Then, the key to transitioning back to normal life lies in vaccines, but how can governments and health experts convince more people to get vaccinated? Richard Thaler, Nobel Prize-winning economist and co-author of the book Nudge explains how to effectively incentivize the unvaccinated. Then, 10 years after the Arab Spring, is Tunisia in the throes of a coup? Tarek Masoud, professor of International Relations at Harvard University, explains why democracy is fragile in the North African country. Plus, after the January 6 attack on the Capitol, does the U.S. need a truth and reconciliation committee? Fareed asks Harvard scholar and Massachusetts gubernatorial candidate Danielle Allen how the country can heal.