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.This week Fareed talks with Eric Schmidt, the former CEO of Google, about the technology that is shaping the war in Ukraine: drones. Then, chief China correspondent for the Wall Street Journal Lingling Wei joins the show to discuss China's looming economic troubles and what they mean for the rest of the world. Fareed also talks with longtime immigration journalist Christopher Caldwell about Europe's migration tensions in the wake of the Netherlands' government collapse over immigration policy last week. Plus, Fareed speaks with CNN's Jake Tapper about writing his new novel "All the Demons Are Here" and what he discovered about 1970s America along the way.