CLEARWATER -- Renee Koutsouradis was sitting on a plane in Dallas last February, awaiting takeoff. She and her husband were returning to Pinellas County after a Las Vegas vacation. Suddenly, she heard her name over the loudspeaker. A Delta Airlines security agent met her at the front of the plane and told her to walk with him to the tarmac. He said something was vibrating in one of her bags. She says she told the agent what it was: an adult toy that she and her husband had just bought on their trip to Las Vegas. In a lawsuit, she...