"BlackkKlansman" hits close to home in South Carolina, where a self-identified white supremacist carried out a deadly attack at Emanuel AME Church, where a white police officer shot an unarmed black man, Walter Scott, in a case that received national attention, and where, according to The Southern Poverty Law Center’s 2017 report “Year in Hate and Extremism,” there was an uptick in the number of hate groups recorded across the state.

Paula Poundstone drops lines that splash and crash but rarely land with a thud. Her comedy is informed by real life, of course, but it's of the spontaneous sort. She likes to find the groove. …