[cnn-photo-caption image= http://blogs.cnn.com/wp-content/uploads/sites/37/2010/03/duncan-gi-art.jpg caption="U.S. Secretary of Education Arne Duncan played professional basketball in Australia from 1987 to 1991."] (CNN) – Should college basketball teams that don't graduate at least 40 percent of their players be banned from postseason play? U.S. Secretary of Education Arne Duncan thinks so. “Teams that fail to graduate 40 percent of … Continue reading Duncan wants ban for NCAA teams with low grad rates