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: Coup in Zimbabwe; President Trump's visit to Asia; inequality in America; if ISIS has peaked; solar geoengineering. Guests are Niall Ferguson, Anne McElvoy, Radoslaw Sikorski, Ray Dalio, David Keith, and Salman Rushdie.