If live performances were subject to the rating system used by The Motion Picture Association of America, the stage show of blues man Bobby Rush would definitely qualify for an R rating. Rush is a master racy storyteller, and uses a troupe of buxom dancing girls to help demonstrate - and gyrate - his references. In the era of AIDS and political correctness, the charismatic Rush is a still-thriving pioneer of the bawdy revues of the golden age of r&b and sou...