what's behind that, and i guess he has tweeted about it this morning. >> he tweeted about it. he said it was essentially an accident. actually his son started first, said lol, dad, what were you doing. this looks like a mistake. jeb bush ended up saying my mistake. i don't think i ended up fooling anyone. using humor to diffuse a story some might have tried to seize on. >> a few hires from hillary clinton, including christina shock ee. who is she? >> she worked for first lady michelle obama, seen as someone who helped remake her image. this is about hillary clinton trying to learn from mistakes of 2008 to make herself look more personable, more relatable. and a lot of people think the more she ended up learning about her loss and making corrections could benefit her in 2016. >> mark murray with our first read. see you tomorrow. thank you. >> thanks, tamron. coming up nbc news investigation on the hidden problem causing hundreds of cars