Clutching the regional trophy tight to his hip, Josh Harrellson stood amid the din of the Prudential Center, shaking his head in wonder. This, he knew, wasn’t supposed to happen. Not to him, certainly, and not to this team. Kentucky was supposed to go to the Final Four a year ago, riding some of the best freshman talent ever assembled in one place. That’s long been John Calipari’s game plan. He has built a career shredding the complexities of the college basketball game into one simple tenet: He who has the most talent wins.