Maybe it's time for Police Commissioner Ray Kelly to give up on putting his police force on Segways once and for all. A 12-year NYPD vet is suing after he was forced into early retirement by a nasty injury that occurred while he was leading the department's Segway training sessions at Floyd Bennett Field last year. Officer Gary Schneider says a software glitch caused one of the wheels to seize and tossed him from the......