A man apparently impersonating a police officer pulled a gun on a Gillette woman this morning after stopping her on Highway 259 between Midwest and Interstate 25. The man, who was driving a gray single cab pickup, had used a yellow light to stop the woman at about 7 a.m., said Natrona County Sheriff's Sgt. Mark Sellers. She didn't see a badge on him, so when he asked for her identification, she asked for his. That's when the man, who was wearing a black tee shirt that said "Police" on the back, pulled out a handgun. "He got irate at...