In it, but not of it. TPM DC

Newt Gingrich, Space Keynesian

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It's a viewpoint that Republicans today reject with unprecedented vigor since they went, with a few exceptions, all in against President Obama's stimulus package in 2009.

Not surprisingly, Gingrich's space initiative has been criticized by his 2012 primary rivals Mitt Romney and Rick Santorum.

Gingrich's current run has thrust him into an odd and in some ways contradictory position. On the one hand, polls indicate that he increasingly is picking up the vote of the self-identified "tea partiers" who tend to oppose government intervention -- sometimes even when it comes to the GOP sacred cow of military spending.

On the other hand, his record of advocating large government projects, partly for their stimulative impact, means he's vulnerable to being attacked as a "big government conservative." Meandering from the anti-spending tendencies of the base make it more difficult for him to push back on those criticisms.

Composite includes photos from lculig and broukoid / Shutterstock.