Maybe Ferguson prosecutor Bob McCulloch should worry more about his own job — and not the job of the media.While the world anxiously waited for the grand jury’s findings in the controversial shooting death of Michael Brown, the prosecutor kept everyone hanging even longer as he went on a rant about social and traditional media, blaming the relentless coverage for muddying up the case.McCulloch even went so far as to say that the investigation’s biggest challenge was the press.