The Supreme Court denied the petition of businessmen who say the 2010 Citizens United ruling makes it legal for corporations to contribute directly to candidates. The court building is seen here during renovations in December.
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The U.S. Supreme Court agreed to hear a challenge to campaign-finance laws that could open the door to further money in politics beyond what Citizens United achieved.
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Republican strategist Karl Rove, shown at the Republican National Convention in August, is arguing for continued secrecy for the new class of million-dollar political donors.