Public Displays of Affection – A Teachable Moment

I went to Starbucks to wrap up some work and celebrate their first day of offering free Wi-Fi (thank you, thank you, thank you) when I encountered a "situation" of sorts.  There were two teenage girls sitting very closely, holding hands, and kissing in a small crowded space.  I sat down with my back to them so I had couldn't see what they were doing, but I could tell by the stares, smirks, and whispers from the patrons that the PDA continued.  A group of ladies got up to leave and we made...