Negative ads shake up 2014 GOP primary battles

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The primary election season is springing to life with some of the most visceral ads seen in Indiana politics.

House Education Chairman Robert Behning went on the air last week accusing his union-backed opponent of being a "liberal politician" in the mold of President Barack Obama and former Illinois Gov. Rod Blagojevich.

Indiana tea party leader Monica Boyer calls the fighting some of the worst she's seen since the 2012 primary fight between U.S. Sen. Richard Lugar and Treasurer Richard Mourdock. Boyer is backing a challenger to Rep. Rebecca Kubacki of Syracuse. Boyer and Kubacki have accused each other of targeting family members in campaign attacks.

The ads come as voters prepare for Tuesday's primary elections. And the fighting has been nastiest in some of the toughest and well-funded battles.

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