Last summer at about this time, I was in Cancun with a friend. We checked into the hotel and scoped out the beach and pool scene before making dinner reservations. The first available spot was at 9:30, and since we were dressed and ready by 7:00, we thought we'd do some sight-seeing. This was no big deal...exchange some dollars for pesos and wait at the bus stop. Once on the bus, I was entranced by the city...the lights...the people...the life bustling around me. We peeked out the window, enjoying the scenery. The bus made a right turn. The scenery changed from bright hotels, restaurants, and night clubs to more dimly lit grocery stores and sidewalk vendors selling tamales. I kept looking out the window, desperately hoping to see something familiar. (Just what familiar item I hoped to find in a foreign city, I don't know.) My hope faded as we made our way into residential areas of dark houses and busy streets filled with people of all ages walking to and fro. The street lights ...