The Club for Growth cemented its role as the preeminent third-party group in Republican primaries on Tuesday, guiding Richard Mourdock to a stunning 22-point win over six-term Sen. Richard Lugar (R-Ind.).
By the end of the Indiana campaign, the Club and its affiliated political action committee, Club for Growth Action, dumped nearly $2 million into ads against Lugar, far exceeding investments by groups like the National Rifle Association ($600,000), Citizens United ($96,000) and spending more on ads than both Lugar ($1.6 million) and Mourdock ($700,000).
It’s just more of the same from a group that has successfully picked its battles over the years and toppled a series of more moderate Republican incumbents and establishment candidates, with very few big losses along the way.
But while the win might have been the Club’s biggest upset to date, the real test may lie ahead.
The Club has backed candidates in four Senate primaries in the coming months, and all but one is an underdog. In addition, it appears likely the Club’s hand-picked candidate will finish third in Nebraska next week.
But first, the Club’s record: