Dave Davies

Big spending by superPACs has become a fact of life in federal election campaigns, permitting wealthy donors to spend millions to support candidates for president, and increasingly for Congress. Now, superPACs are becoming players in state and local elections as well.

Three superPACs raised and spent more than $10 million total in Philadelphia's mayoral election this year. That's roughly twice the spending of the candidates themselves, who were bound by contribution limits in city election law.

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