mr. valukas, i think you alluded this a few minutes ago. if not for the brooke melton lawsuit, i can't see the back of the room, but her picture may be up there on the wall. she's in my district in georgia. if not for the brooke melton lawsuit and she was killed and her lawyers found out her ignition switch from model year 2008 was different from model years 2005, '06 and '07 in the cobalt, would we know about this switch problem today? would we be aware of it? >> the answer is yes because the -- there was an open and, at that point, significant investigation going on at that particular point. certainly, there was information and evidence that was accumulating as they were going forward pointing to the fact they had non-deployments and fatality. >> that's a big cover up to me. after general motors learned of the change, it took months to confirm there had been a change. why did this take so long? >> i don't have a good answer for that. i can tell you it did take that long, from the time of april, 2013 when that deposition took place, they knew or should have known or k