The robocall will run against vulnerable Democratic candidates nationwide, and accuses the candidate of standing with President Obama and Nancy Pelosi in "cut[ting] Medicare in order to pay for their national healthcare experiment." 

It also charges that the healthcare reform law "creates an unelected board of bureaucrats that is empowered" to cut Medicare in ways that will ultimately end the program "as we know it."

The Congressional Leadership Fund and Young Guns Action Fund super-PACs are teaming up on the attack. Both are GOP-backed groups working to maintain and extend the Republican majority in the House.