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.President Trump's explosive immigration slurs; what's behind North Korea's willingness to talk to the South; why a human rights and global affairs columnist feels 2017 was the best year ever. Guests are Mark Krikorian, David Miliband, Robin Wright, and Nicholas Kristof.