By Pat Forde He was able to avoid the spotlight and outright mutiny. But the figurehead’s blunders and overall inaction has all but stripped the NCAA of any power and credibility. On a college athletics ship floundering in turbulent seas, NCAA president Mark Emmert has been a calamitous captain. The only impressive hallmark of the latter half of his 12-year tenure is an ability to avoid an outright mutiny (although this abrupt departure announcement might have been the sign of one coming). The only thing worse than his presidential performance has been the utterly tone-deaf decision by the NCA…