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 firing of U.S. Secretary of State Rex Tillerson by tweet; Russia is blamed for a "brazen" poisoning of a Russian ex-spy in the U.K.; Russia, Cambridge Analytica, and the 2016 U.S. election; Russia's elections and Russian attitudes about Vladimir Putin. Guests are David Miliband, Richard Haass, Zanny Minton Beddoes, Anne Applebaum, Luke Harding, Bill Browder, and Matthew Chance.