Rick Santorum, who himself waged a bitter fight with Mitt Romney during this year's GOP primaries, said Sunday that a sharp turn to the negative in the general election fight between Romney and President Barack Obama is a product of divisive rhetoric from the president and his team.

"I don't get the sense that Gov. Romney is complaining about the negative attacks, but he will tell you as much as anyone else, you are in a political race and you are going to take the blows and go after each other," Santorum told CNN national political correspondent Jim Acosta on "State of the Union."

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