GM’s inquiry into its own failure to recall cars with a deadly ignition switch found a pattern of “incompetence and neglect.” Fifteen employees have been fired, but there was no finding of a conspiracy to hide the problem.

+ GM’s CEO Mary Barra on whistleblowers: “If you see a problem that you don’t believe is being handled properly, bring it to the attention of your supervisor. If you still don’t believe it’s being handled properly, contact me directly.”