Brian Polian has never been afraid of a recruiting challenge.“I’ll never forget the time at Notre Dame when Charlie Weis told me, ‘Go to California and beat USC and UCLA on players,’” the new Nevada Wolf Pack head football coach said recently. “I was so young I didn’t know I wasn’t supposed to win those battles.”Polian, it seems, hasn’t lost many important recruiting battles in his 16-year college coaching career, the last eight at Notre Dame, Stanford and Texas A&M. And he doesn’t plan on losing many at Nevada.“I have no doubt we’ll be able to recruit some outstanding student …