My god, I thought, she loves this. I couldn't believe I was looking at my mom displaying herself the way she was. Only an hour earlier we had been having lunch at an upscale restaurant, and now my mom was on her back on the floor of a porn shop, legs high in the air and showing off her naked body to a crowd like a stripper. A felt a twinge of something -- guilt, uneasiness, something -- about my role in getting mom to this point. I wasn't too worried about the people around her. They seemed harmless, and they didn't know her, and so far, no one had...