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UNITED STATES - MAY 24: Sen. Scott Brown, R-Mass., arrives in the Capitol via the Senate subway for votes on the Food and Drug Administration reauthorization bill on Thursday, May 24, 2012. (Photo By Bill Clark/CQ Roll Call)

UNITED STATES - MAY 24: Sen. Scott Brown, R-Mass., arrives in the Capitol via the Senate subway for votes on the Food and Drug Administration reauthorization bill on Thursday, May 24, 2012. (Photo By Bill Clark/CQ Roll Call)

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