AUGUST 12--Just what the NBA needs, another sex scandal: Donald Sterling, the miserly tycoon who owns the Los Angeles Clippers, testified last year that he regularly paid a Beverly Hills woman for sex, describing her as a $500-a-trick "freak" with whom he coupled "all over my building, in my bathroom, upstairs, in the corner, in the elevator." Sterling's graphic testimony--which came during a two-day pretrial deposition in connection with a lawsuit he filed against the woman, Alexandra Castro--will surely nettle basketball commissioner David Stern, who normally has to explain away the behavior of 20-something athletes, not married 70-year-old club owners...