A Dalton man who set himself on fire during a traffic strop Wednesday has died. The Chillicothe 911 communications center received calls at 6:34 p.m. Wednesday about a suspicious man attempting to buy lighters from businesses south of Livingston County. He was carrying a container of flammable lighter fluid and driving a retired school bus that had been repainted, Chillicothe Police Chief Jon Maples said in a news release Thursday. A short while later, the center received another call from a concerned witness. The person reported a school bus sporadically speeding up and slowing down on U.S Hi…