He was a revered small-town football scion twice named “Coach of the Year” and expected to shepherd his undefeated varsity squad through a crucial playoff game Saturday. Now he’s a fugitive at the center of a frantic manhunt, wanted on child porn and solicitation of a minor charges. The stunning case has upended the quintessentially all-American life of Travis Turner after he bolted from his home in rural Appalachia, Va., last week as cops closed in to discuss the disturbing allegations against