 RUST MOVIE SHOOTING. JURORS WILL DECIDE WHETHER THE ACTOR'S ROLE IN THE DEATH OF THE FILM'S CINEMATOGRAPHER AMOUNTS TO INVOLUNTARY MANSLAUGHTER. BALDWIN WAS REHEARSING A SCENE WHEN A LIVE BULLET WAS DISCHARGED FROM HIS GUN. IT WAS SUPPOSED TO HAVE BEEN LOADED WITH BLANKS. DEBORAH RODRIGUEZ, CBS NEWS.