R. Douglas Fields, author of “Why We Snap: Understanding the Rage Circuit in Your Brain;” Massachusetts State Senate President Stan Rosenberg on marijuana policy, charter schools, criminal justice reform; and that fracking pipeline; then Sigrid Schmalzer, UMass history prof and Director of STPEC (Social Thought and Political Economy) program on “Merchants of Doubt” (the climate change deniers fraud)-the film at Forbes this weekend; Reverend Peter Ives, W.Mass. AFSC Director Jeff Napolitano and Dr. Peter Titelman on MLK Day observances, lessons and celebrations and Black Lives Matter.