DAYTON, Ohio--  A man wanted for a triple shooting in Trotwood was nabbed this morning in traffic court.  Cops say a quick check of Michael Carr's record showed he'd be in court in Dayton for a driving violation, and that's where they arrested him.  Carr has been on the run since Friday.  He's suspected of shooting three people inside a Trotwood nightclub on Salem Avenue.   He's facing four counts of felonious assault, and is being held in the Montgomery County Jail.