When parents shell out tens of thousands of dollars for their children to attend prestigious colleges, oftentimes the classes are led not by tenured professors but by teaching assistants. Georgetown University professor Jacques Berlinerblau joins us as part of KERA’s American Graduate initiative to talk about how universities function – and about how students can get more out of their education dollars. His new book is called “Campus Confidential: How College Works, or Doesn’t, for Professors, Parents, and Students” (Melville House).