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.U.N. High Commissioner for Human Rights Zeid Ra'ad Al Hussein discusses U.S. border policy and U.S. withdrawal from U.N. Human Rights Council; Nicholas Kristof, Linda Chavez, and Reihan Salam discuss the divisive politics of immigration and assimilation; Scandinavia, the Baltic States, and Eastern Europe beef up defenses due to increasing threat from Russia since it annexed Crimea; astrophysicist Neil deGrasse Tyson discusses President Trump's call for adding a "Space Force" branch to the U.S. military.