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.Should the U.S. treat the threat of white nationalist terror attacks the same way it treats foreign ones? What are the roots of the white nationalist movement in America? Fareed speaks to former Secretary of Homeland Security Michael Chertoff and Prof. Kathleen Belew, a University of Chicago historian, to answer these pressing questions in the wake of two deadly shootings. Then, the U.S. escalates it's tit-for-tat with China on trade. Is either side "winning"? Fareed talks to former Treasury Secretary Larry Summers. Fareed discusses how to have perfect timing (like what time of day for a doctor appointment) with Daniel H. Pink, author "When." Guests: Michael Chertoff, Prof. Kathleen Belew, Larry Summers, and Daniel H. Pink.