Michael Brooks is filling in for Sam Seder on the Majority Report today. In this clip, Bernie Sanders gives his take on why he feels obligated to stay in the Democratic primaries until the end.

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).