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.NATO leaders gather in London. Is the alliance suffering from "brain death" as French President Macron said? Will it survive the Trump Era? Jens Stoltenberg, NATO's Secretary-General, tells Fareed that even the alliance's most critical members will remain committed. Then, the U.K. is preparing for another election. Will Boris Johnson remain Prime Minister? Can he deliver on his Brexit promises? Nigel Farage, the father of Brexit, joins Fareed to answer these questions and more. Plus, the massive protests in Iran and the swift and violent regime crackdown. Guests: Jens Stoltenberg, Nigel Farage, Zanny Minton Beddoes, Alastair Campbell, and Maziar Bahari.