New research and polling show that more and more Americans now doubt a previously unquestioned fact of U.S. life — that going to college is worth it. Paul Tough, a contributing writer for The New York Times Magazine, explains why so many high-school students and their parents are souring on higher education and what it will mean for the country’s future. Guest: Paul Tough, a contributing writer for The New York Times Magazine who has written several books on inequality in education.