MSNBC Live with Tamron Hall 10/09/15

Professor quits over ‘Campus Carry’ law

University of Texas Professor Daniel Hammermesh resigned over the “Campus Carry” gun law in, which allows licensed gun owners to carry concealed weapons in classrooms. The law is set to go into effect next fall. Professor Hammermesh joins Tamron Hall on MSNBC. ... more Duration: {{video.duration.momentjs}}