Well, it happened again. I was mugged and robbed on the street in Buenos Aires—this time at 7:45 in the morning while walking on a major thoroughfare. I am normally pretty vigilant at night. This time, I stopped to window shop and before I knew it I was on the ground and the guy had pulled my wallet from my front pocket. I instinctively tried to kick him from the ground as he leaped over me and started running down Avenida Florida, which is a wide pedestrian boulevard. The next thing I know