sacramento, california's capital and my old hometown. it's been years since i called sacramento home, but i'm back now to see a side of the city i never knew. so here's a young woman with very short shorts, and it's in the 50s. and the woman in the white jacket, 2:30 in the afternoon. scenes just like this play out all over america. >> there they go. >> insiders call it the game, a complex system of rules that dominates the world of street-based prostitution. it's one piece of an illicit, multibillion-dollar trade that thrives behind closed doors, in