(Portland, OR)  --  A man accused of running down three women with his car at Portland State University is due in court today.  Police arrested 61-year-old Greg Porter Friday for the hit and run that morning that left all three women hospitalized.  Police say Porter was driving in the area when he veered onto the sidewalk and struck the women before driving away from the scene.  Police are still trying to figure out a motive.  He's due in court at 2:00 this afternoon.