General Motors Company (NYSE:GM) CEO Mary Barra has released the findings of Chicago attorney Anton Valukas’ investigation into the faulty ignition switch scandal today, concluding that more than 11 years of inaction was the result of “a pattern of incompetence and neglect,” but that there was no evidence of a conspiracy. She claims that no GM employee made a trade-off between safety and cost, but that the breakdown happened because the organization was divided into ‘silos’ with no one willing to step up and tackle difficult problems. Barra specifically said that former executives were not involved in the decision to…