GAZA, November 20 (Reuters): Trading jabs and punches, young Palestinian girls competed in a female boxing tournament on Friday in the Gaza Strip, where the sport is mostly popular with men. Friday's contest featured female boxers as young as seven years old, and was attended by dozens of spectators. One boxer, Hala Ayoub, said she hoped the contest would show people that boxing is not only a man's sport. "My ambition is to become a famous boxer and to raise