Posted by Sabrina B. @gametimegirl NBA.com’s John Schuhmann is pretty big on efficiency. He likes assessing the offensive and defensive performances of teams and players by digging into the stats to see how effectively they can create or prevent baskets. It’s an approach to evaluation that emphasizes economy and execution. So it’s no surprise that Schuhmann only needed three words to tell you everything you need to know about the 2011-12 Charlotte Bobcats in the latest edition of his NBA.com Power Rankings: