Popularity can be fickle: One day America loves your brand; the next, you're passe. But every year brings some surprising rebounds, and you won't believe some of the companies that made 2012's list for most improved images in the eyes of U.S. consumers.
Blue Cross Blue Shield of Michigan has been sued by the U.S. Justice Department for what regulators say are actions by the insurer that boost both hospital and consumer costs while stifling competition.






