campuses. at the university of pennsylvania a panel discussing u.s. immigration policy was canceled completely, after a student protest against inclusion of the former i.c.eet director. >> go home! go home! go home! go home! go home! go home! go home! go home! >> tucker: a new poll finds 51% of americans and 57% of the millennials think the first amendment goes far in protecting the free speech and should be updated to rollback that right to bear the majority of those who believe it think that people who commit so-called hate speech ought to go to prison. peter boghossian is a philosopher, author of the book, "how to have impossible conversations." a legend among people who follow life on college campuses, and we're honored to have him on. thank you for coming on.