Tue Jul 29 Black boxes help explain downing Written by CNN Published in News Feeds CNN's Pamela Brown reports on what investigators have learned so far from MH17's flight data recorders.Read more http://edition.cnn.com/video/data/2.0/video/world/2014/07/28/lead-dnt-brown-mh17-black-box-information.cnn.html?eref=edition
