Mealey's (August 26, 2016, 2:05 PM EDT) -- NEW YORK — The judge overseeing the General Motors ignition switch multidistrict litigation on Aug. 24 denied a bellwether plaintiff’s motion to apply collateral estoppel so General Motors LLC (New GM) does not relitigate whether its predecessor company General Motor Corp. (Old GM) knew or should have known about the ignition switch defect before it first started an investigation into the defect (In Re: General Motors LLC Ignition Switch Litigation, No. 1:14-md-0254; Stephanie Cockram v. General Motors LLC, No. 14-CV-8716, S.D. N.Y.)....