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Kochs' money used to blast, buoy Pryor

Though GOP got most, he got some

Posted: May 11, 2014 at 5:59 a.m.

WASHINGTON -- Groups backed by billionaire brothers Charles and David Koch have spent millions of dollars chastising U.S. Sen. Mark Pryor for voting for the president's 2010 health-care law, while the family business -- Koch Industries -- has spent tens of thousands supporting the senator over the past few years.

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