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Who can dethrone Alabama? Notre Dame took its shot in last year’s BCS title game, but the Crimson Tide completely outclassed the Fighting Irish to win their second consecutive national championship. Who will be bold enough to step in front of that locomotive from the Southeastern Conference and put a halt to the irresistible force known as the Alabama Crimson Tide? When the BCS finally — and some critics would say, mercifully — runs its course this season, and gives way to the cleverly named “College Football Playoff’’ next season, odds are Alabama coach Nick Saban and his team three-peats as national champions.