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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
End Music: "Cha-Chaborro" by Los Amigos Invisibles from the CD "The New Sound of the Venezuelan Gozadera" (Luaka Bop).