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U.S. Attorney Carmen Ortiz is fighting to hold on to her job, and to avoid an embarrassing grilling in Congress and possible professional disciplinary proceedings. Her prospects look grim. Rep. Darrell Issa (R., Calif.), chair of the House Committee on Oversight is pledging a vigorous and critical inquiry into her management of the dubious criminal prosecution of Aaron Swartz, one of the greatest computer prodigies of his generation, who committed suicide a week ago, apparently convinced that out-of-control prosecutors had destroyed his life. While Issa’s prior attempts to take aim at the DOJ have fizzled, this one is garnering significant bipartisan support: Zoe Lofgren (D., Calif.) is introducing “Aaron’s Law,” expressly...