(Portland, OR)  --  Two teenagers are dead and two others are critically injured following a crash in Gresham.  The Gresham Police Department says a total of six teenagers were inside a vehicle traveling at Southeast Linden Drive and Butler Road Friday night when the vehicle crossed into oncoming traffic and hit a pickup truck.  The teenage driver died at the scene, while another teen died on the way to the hospital.  Two other teens were hospitalized in critical condition, while the driver of the pickup truck was treated and released.