A motorcyclist was killed early Monday in a head-on crash on I-35 south of Main Street in Norman. The highway patrol says 43-year-old Paul Campbell of Norman was struck by a pickup truck driven by 33-year-old Robert Norris of Del City. The highway patrol says Norris was driving southbound in the northbound lane of I-35 when he struck Campbell, who died at the scene. The highway patrol says it appears Norris had been drinking.