- In first full election cycle since the Supreme Court's 2010 Citizens United ruling, 2012's federal elections ushered in nearly $1 billion in new political spending.
- Nearly two-thirds of that outside money— about $611 million — went to just 10 political advertising vendors, several of which were previously unknown.
- Eighty-nine percent of the ads paid for by Citizens United-related groups, such as super PACs and nonprofits, attacked candidates.
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