The AP (11/20, Kunzelman) reports that “the manslaughter charges brought against two relatively low-ranking BP rig workers in the deadly Gulf of Mexico disaster may be as far as federal prosecutors are willing to go,” or else the prosecutors are starting with the two men in order to make a case against individuals higher up in the organization. The AP quotes David Uhlmann, a University of Michigan law professor and former chief of the Justice Department's environmental crimes section, as saying, “Either there simply isn't evidence that anybody higher up was involved, or the department has concluded the only way it's going to make its case against more senior corporate officers is if it charges and eventually obtains cooperation” from the two men being charged in this case. As the AP notes, “two and a half years after the blast, they are the only individuals charged directly in the tragedy, despite a string of government investigations that spread fault among a host of people and companies