It was Friday night and I was in a bar mainly frequented by over-thirties. I was on my second drink and sitting by myself in a booth facing the dance floor. All of the booths in this section face the dance floor and have U-shaped, high-back bench seats with just enough room for two people on each side and one at the "bottom" of the U. I was wearing a short black skirt, a crisp, white button-up blouse, white silk panties a...