(Portland, OR)  --  One person is dead and three are injured, following a five-vehicle crash on Highway 30.  Oregon State Police say the wreck happened around ten o'clock yesterday morning, just east of the Sauvie Island Bridge.  Authorities say an eastbound pickup truck crossed the center line into oncoming traffic.  Fifty-eight-year-old Lewis Demars died in the crash, and three other people were taken to a hospital.