This weekend on Matter of Fact, is President Trump testing the boundaries of his political power or violating the constitution when it comes to current laws? In honor of Constitution Day, September 17, we talk to author Corey Brettschneider about his new book, The Oath and the Office. Americans are saying “adios” to expensive housing and finding relief south of the border. Could you commute to work from Mexico? Is a program designed to prevent inequality in public schools making it worse? Nora Gordon is a professor of public policy at Georgetown University and serves on the Dept. of Education’s expert panel on Title I, and says the program needs serious changes. Plus zero-gravity champagne is on the way, but astronauts can’t toast to this news.