Pharmaceutical chief Martin Shkreli smiles on Capitol Hill in Washington, Thursday, Feb. 4, 2016, during the House Committee on Oversight and Reform Committee hearing on his former company's decision to raise the price of a lifesaving medicine. Shkreli refused to testify before U.S. lawmakers who excoriated him over severe hikes for a drug sold by a company that he acquired. (AP Photo/Susan Walsh) ** FILE **
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