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.After a bruising week in Britain, can PM May bring Brexit to fruition? Fareed discusses with two bright Brits. Then, is China behind the Marriott hack? NYT's David Sanger has a new report out alleging just that. Find out why Beijing is so bothered about bookings. GUESTS: Zanny Minton Beddoes, David Miliband, David Sanger, Charles Duhigg, and Ray Dalio.