Notre Dame graduates walk out on Pence as he touts free speech

The protesters, among the thousands of graduates and guests assembled in the university's football stadium, stood up when the conservative Republican began his speech and streamed out of the ceremony, to the jeers of some of those who remained.A few of the students had messages of protest attached to their traditional "mortarboard" graduation caps.One of them displayed an inverted U.S. flag, a sign of protest popularized during the Vietnam War era, and the words "Are we great again yet?," a refe