OC ON TV (1): Mac Duffy, the...

OC ON TV (1): Mac Duffy, the alleged playboy of Orange County’s Pacific Coast Highway, is profiled on “A Current Affair” (Channel 11, 7:30 p.m. today). . . . Duffy, who cruised PCH in his Porsche and flirted with gorgeous women, is charged with trying to defraud some of them after saying he was a stockbroker. . . . His new bride, Sylvianne Lestringant, said she at first refused to cooperate with the show but changed her mind after a film crew waited three hours on her doorstep.