Vanno tracks the reputations of 5,500 companies by asking users to submit articles and rate them, based on how favorable the coverage is to the subject. One of those brands is Kellogg's, and the data says that dumping Micheal Phelps after his bong exploit made the brand tank. In Vanno's ranking's, Kellogg's spiraled downward, from 9th best to 83rd, during the course of the Phelps ...