to watch the discussion from the University of Massachusetts at Amherst Sept 17, 2015 broadcast by c-span.org, click on
http://www.c-span.org/video/?328137-1/discussion-direct-action-protest People in this video
Dan Clawson
Author
Karen Gladden
Housing Activist
Vanessa Gonzalez
Activist and Protest Organizer
Randy Kehler
Anit-War Activist
Sigrid Schmalzer
Professor University of Massachusetts, Amherst->History
Rose Smith
Housing Activist
Paki Wieland
Political Activist
I liked the presentations by the direct action activists, which started toward the middle of the video.
Overall, a good video to watch.