Jeffrey Skilling, convicted former Enron Corp. chief executive officer, center, speaks with a U.S. Marshal as he arrives to the Bob Casey Federal Courthouse in Houston, Texas, U.S., on Friday, June 21, 2013. Skilling is set to appear in court to learn how much longer hell stay in prison for spearheading the fraud that destroyed the worlds largest energy trader. Photographer: F. Carter Smith/Bloomberg via Getty Images *** Jeffrey Skilling
