>> gm is now the largest company by revenue run by a woman. this is a huge deal. and not only that, the auto industry has sort of famously male dominated. it's lagged behind other industries in the ability to advance women to the very top. this is historic on a number of levels. >> i guess it wasn't a slam dunk. there were other people up for it. she's eminently qualified. she's in the middle of this industry, has been for 33 years. people say she has gasoline running through her veins. that's one the things you say in detroit. will she change the culture? will this be a change that somehow lasts in that traditionally male-dominated. >> she was hired -- dan ackerson put her in the position. she said it's about talent. she has all of the characteristics you would want even 20, 30 years ago. she has everything you would