“BlacKkKlansman” screenwriter Kevin Willmott and Ron Stallworth, the retired police officer the film is based on, discussed the Academy award-winning film on Sunday. The panel followed a screening...

“BlacKkKlansman” begins with a coup de grâce. We hear a staccato drum cadence over the opening credits, the sort that invokes “Apollo 13”; “Forrest Gump”; the entirety of Michael Bay’s...