When former state Rep. Jack Hoogendyk entered the race in Michigan's 6th Congressional District, he was probably counting on support from the Club for Growth. But that backing hasn't materialized, and Hoogendyk faces an uphill battle against Rep. Fred Upton, R-Mich., who has more than 50 times as much cash on hand.

As recently as six months ago, the Club for Growth had declared Hoogendyk to be the more conservative candidate, running ads targeting Upton's "liberal" record. But Club president Chris Chocola has been noncommittal about contributing to Hoogendyk's campaign, and Upton recently scored an 82 percent on the Club's Spending Cut Scorecard, a big leap from his 52 percent overall average in 2011.

"We're still looking at it," Chocola said in a South Bend Tribune interview. "It's a matter of resources."

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