(Coos Co., OR)  --  Two 18-year-olds are dead, following a crash involving an Oregon State Police pickup truck.  Authorities say one of the teens lost control of his vehicle yesterday and veered across the center line oh Highway 101, crashing head-on into the pickup.  Both 18-year-olds in the car were killed, and a 16-year-old is being treated for life-threatening injuries.  The trooper suffered minor injuries.