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Outside Money Pouring In To California's Congressional Races

Congressional Democrats need 25 seats to retake the gavel from Republicans this November. It's a tall order -- and an expensive one. Both parties consider California a battleground for house races, and buckets of campaign cash are being dumped into the Golden State. As part of our Election 2012 coverage we take a look at four tough contests in and around Sacramento and the San Joaquin Valley. Reporter: Tara Siler

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• More: Interactive Map: U.S. Congressional Representation by State