In this Majority Report segment, Sarah Jaffe, author of “Necessary Trouble: Americans in Revolt,” joins the show to discuss modern protest movements on the right and the left in the 21st century thus far.

Sam Seder is an American comedian, writer, actor, film director, television producer-director, and progressive talk radio host. His works include the film Who's the Caboose? (1997) starring Sarah Silverman and Seder, as well as the television shows Beat Cops (2001) and Pilot Season (2004). He also appeared in Next Stop Wonderland (1998). Seder also made guest appearances on Spin City (1997), Sex and the City (2000) and America Undercover (2005).