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. This week: Grading President Trump at month six; how his administration impacted the Atlantic alliance; next move for Brexit; next step for the opposition in Venezuela.