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Photo by: TIM COOK

**FILE** In this photo from Jan. 13, 2009, Pfizer employees walk past a sign at the Pfizer Global Research and Development facility in Groton, Conn. Pfizer Inc., the world's biggest drug company, on Nov. 9 said it is closing six of its 20 research facilities, reorganizing others, and cutting the jobs of roughly 15 percent of its scientists and support staff. (Associated Press)

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