Summer Coolers Shaft is a window-rattling thriller about a black private investigator named John Shaft (Richard Roundtree), who says "Right on" a lot and runs around in an endless variety of leather costumes making things hot for the bad guys. The film develops a good, affectionately edgy relationship between Shaft and a white cop, played by Charles
Cioffi, who was equally impressive as the villain in Klute. There is also some robust acting by Moses Gunn as an orotund Harlem mobster. Despite a few too many racial jokes, Shaft is a fast-moving pleasure. Director Gordon Parks keeps...