LUSK, Wyo. — A two-vehicle collision between a semitrailer and a pickup truck near Lusk on May 1 left three people dead and two more injured. According to reports from the Wyoming Highway Patrol, the semi combination unit was parked in the northbound pullout near mile marker 159 along U.S. Highway 85. The driver stated he was merging back onto the highway when the truck’s transmission slipped into neutral. The WHP reports that the parking area i…