WEST PALM BEACH, FL-- A woman has been arrested and charged with stalking a teacher who was fired for working in a bikini. Felisha Nally has been arrested and charged with stalking Tiffany Shepherd. Shepherd gained national attention when she was fired from her teaching job at Port St. Lucie High School for working on a charter boat featuring bikini clad and topless women. The probable cause affidavit from the Palm Beach County Sheriff's Office says Nally is the ex-girfriend of Shepherd's fiance. Officials say Nally posted information on MySpace that she would harm Shepherd by beating and shooting her....