CNN Fareed Zakaria GPS July 7, 2013 17:21:00
Of the 300 or so on board were able to walk off the plane. but now the investigation is turning to the why did it happen and how did it happen about to help piece through the investigative process, former inspector general of the u.s. department of transportation joining us from charleston, south carolina. good to see you, mary. we they that tknow the flight d voice recorders have been recovered. they have been septembnt to washington, d.c.. we understand this could be as early as this afternoon when they have information. information like what? >> just a vast amount of data. 777 has one of mo...