(Aloha, OR)  --  Washington County sheriff's deputies say a man who hit several pedestrians last week near Aloha [[ ah-LOW-uh ]] High School has been driving with a medically-suspended license since 2001.  Authorities say Jeffery Leitz struck four people, including two students.  None suffered life-threatening injuries.  The Washington County District Attorney's Office is reviewing the case to determine whether charges will be filed.