| Never in my life have I been so humiliated as I was on Aug. 10 at the London Gatwick Airport. I had just finished summer classes in Cambridge and was headed back with my father to Dallas, where he lives. For most of the year, I live with my mother in Indianapolis. My parents have been divorced since I was 2, and I've been flying back and forth for 15 years. On that awful day, airports shifted to h |