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 world's second-richest man, Bill Gates, discusses the fight over income inequality, Howard Schultz's presidential aspirations, Amazon's decision to pull out of its plan for a second HQ in New York, and how Africa's the second youngest continent; Stanford computer scientist Daphne Koller on the A.I. revolution and medicine.