Aarcflick

 The poster for the documentary “On the Line: The Richard Williams Story” is cleverly scathing. Against a white backdrop stands one of the most ridiculed, and most recently celebrated, figures via last year's sports biopic "King Richard" in professional sports: Venus and Serena Williams' father, Richard. He has a tennis racket in his hand and is dressed in tennis whites. It wasn't what he normally wore when he and his wife Oracene (Price) coached their daughters on the public courts of Compton, Los Angeles. But the look was de rigueur for the white tennis establishment that Venus and Serena took over and then transformed. In "On the Line", Williams has the opinion of him. As expected, he is frank, occasionally funny, but also vulnerable, especially since he is becoming frail and has suffered from health problems. Directed by Stuart McClave, the documentary isn't exactly a vanity project, but it is based on Williams' version of what quickly became...