"If I have a million bucks I might as well give it during the petition process," said Kevin Kennedy, the director and general counsel of the state's Government Accountability Board, which oversees elections in Wisconsin. But even during the election period, outside groups may spend unlimited amounts on advocacy media spots.
Jay Heck, the executive director of the Wisconsin chapter of Common Cause, predicted there will be "an avalanche of national interest" in the recall races.
"Everyone will be in here," he said. "It will be good for the restaurant business."
Senate Minority Leader Mitch McConnell, R-Ky., carries a musket on stage as he speaks during the American Conservative Union's Conservative Political Action Conference (CPAC) at National Harbor, Md., on Thursday March 6, 2014.