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)

Fed's Yellen: Exploring Factors Affecting Liquidity
25:07 - Federal Reserve Chair Janet Yellen testifies before the Senate Banking Committee. She speaks on "Bloomberg Markets." (Source: Bloomberg)
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