Why Don't Black Boxes Transmit Data in Real Time?

March 11 (Bloomberg) -- Malaysia authorities said hijacking and sabotage are part of the criminal probe in the disappearance of Flight 370, a mystery now in its fifth day, and the CIA said terrorism can’t be excluded. Megan Hughes reports on the questions surrounding the transponder technology on board. (Source: Bloomberg)
Aetna to Buy Humana for $37 Billion
37:09 - Bloomberg's Francine Lacqua and Manus Cranny report on today's "Top Headlines." They speak on Bloomberg Television's "The Pulse." (Source: Bloomberg)
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