In a frantic 911 call, a person at Michael Jackson's house says, "He's not breathing!" and pleads with the operator to send an ambulance. "We have a gentleman here who needs help," says the unidentified male caller, according to a tape released Friday by the Los Angeles Fire Department. Without giving Jackson's name, the caller says there is a 50-year-old in his bed who is being given CPR by his personal physician. "He's pumping his chest and he's not responding to anything," the caller says ...