The Nevada Wolf Pack football program doesn’t have Chris Ault anymore. But it has the next best thing.His pistol offense.“I’m not a dummy,” new Wolf Pack head coach Brian Polian said last week when he was introduced as the school’s 26th head coach. “The offense has been pretty good here.”Polian, who watched Texas A&M freshman quarterback Johnny Manziel win the Heisman trophy last year when he (Polian) was the Aggies special teams coach, didn’t waste any time bringing back Ault’s pistol.“It’s not broken so why come in here and try to overhaul it?” Polian said. “The players are comfortable with …