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Valeant’s CEO Will Have to Testify at a U.S. Congressional Hearing

Pershing Square's Bill Ackman and Valeant Pharmaceuticals International's Michael Pearson InterviewPershing Square's Bill Ackman and Valeant Pharmaceuticals International's Michael Pearson Interview
J. Michael Pearson, former CEO of Valeant Pharmaceuticals. Photograph by Scott Eells—Bloomberg via Getty Images