O.J. Simspons temper has boiled over again, this time during a fierce arguement with his teenage daughter who was so shaken she called 911 asking for help.'Your a loser!' Sydney Simpson 17, screamed at her imfamous dad as she bawled uncontrollably on the telephone with Miami cops.The frightened teen cowered in her bedroom and told the police operator, 'My father is an a**hole... I'm the only child who makes him miserable, and he can say that is no problem.'Cops responded to a 'female in distress' call at the Heisman Trophy winner's house on Southwest 112th street in Miami around noon...