For those who remember the show “All in the Family,” she might be usefully compared to Archie Bunker, the crude proletarian patriarch from Queens, New York. Barr’s show was swiftly canceled late last month by the television network ABC, not for anything her “character” said in her show, but for a tweet in which she described Valerie Jarrett, an African-American former adviser to Barack Obama, as the offspring of the Muslim Brotherhood and “Planet of the Apes.”