Boston Suspect Tsarnaev Charged With Using WMD

April 22 (Bloomberg) -- A wounded 19-year-old man was charged by the U.S. with the bombing of the Boston Marathon, which killed three people and injured more than 170. Sheila Dharmarajan reports on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)
Aetna to Buy Humana for $37 Billion
57:40 - 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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