g. >> thanks so much. check out our show page at cnn.com/thelead for video, blogs and extras. that is it for "the lead." i'm john berman. i turn you over to wolf blitzer in "the situation room." happening now, impossible recovery. new images emerging of an airliner which disintegrated when it slammed into a french mountainside. airline officials say the plane was in quote, perfect technical condition. so what caused its fatal plunge? shattered evidence as investigators search for one black box, they retrieve crucial audio files from the other. can they piece together what happened? americans on board. three americans, including a mother and daughter from virginia were among the 150 people killed in the flight flight 9525 crash. so what is the family saying? and charged with desertion. a u.s. soldier held for years by the taliban before a controversial prisoner swap is formally charged with desertion