Once upon a time, Jacki-O and Trina were the big contenders for the title of queen of the south. (Khia, perhaps, was a contender, but ... last the public at large really heard from her, she was getting kicked off VH1's Miss Rap Supreme). Then poor Jacki-O had a number of personal-life mishaps, including a shoplifting charge in West Palm Beach, bankruptcy, and the end of her deal with her then-label, TVT. (TVT, though, went belly-up last year, so Jackie-O's probably getting the last laugh about t