In Nebraska, wealthy businessman Joe Ricketts used his money to create a super PAC that supported state Sen. Deb Fischer in the GOP Senate primary. Fischer was not the frontrunner, but she managed to make a late push and won the primary earlier this month.
The danger for Republicans now, but possibly Democrats in the future, is that a small group of wealthy ideologues will use the new organizations to nominate and elect a large enough number of extreme Members.
The near-term danger for Republicans involves libertarians, who could redefine the GOP in a way that would cripple, or even fracture, the party.
Former Sen. Scott Brown, R-Mass., candidate for U.S. Senate in New Hampshire, holds his hand over his heart during the singing of the national anthem as he waits to take the stage for his town hall campaign rally with Sen. John McCain at the Pinkerton Academy in Derry, N.H., on Monday, Aug. 18, 2014.