Super Secrets of the Political Nonprofits

How super PACs' shadowy cousins can change an election with money, anonymously.

Former White House adviser Karl Rove
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$108.8 million — The amount Crossroads GPS has spent the 2012 election so far, according to a Sunlight Foundation estimate.

$65 million — The amount Americans for Prosperity has spent, according to Sunlight. That is less than half of what it has disclosed in FEC filings.

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