http://msnbc.msn.com/id/5456991/site/newsweek/
"For some 20 years judges have pretty much known what they were doing. If the job wasn't always easy, the rules—at least when it came to sentencing—were reasonably clear. But thanks to the U.S. Supreme Court, that clarity has vanished, leaving judges and prosecutors stumbling in confusion and the fate of thousands of convicts and defendants up for grabs."