Media coverage of Donald Trump’s ascendancy throughout the Republican primary campaign has conveyed a sense of surprise at every turn—but given the party’s base, Trump’s dominance should be anything but shocking. Sam Seder discusses this.

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).