Authorities report an Australian ship detected fresh pulses in the search for Flight 370. Retired Air ChiefMarshal Angus Houston says the pulses are consistent with electronic equipment. He went on to say that he is now "optimistic we'll find the aircraft or what's left of the aircraft." Anderson discussed these developments with safety analyst David Soucie, aviation correspondent Richard Quest, Boeing 777 captain Les Abend, aviation analyst Miles O'Brien and former Department of Transportation Inspector General Mary Schiavo.
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