As a result, the Republican candidates may not be quite sure what they're supposed to say. Especially since it it turns out that most of them have skeletons in their closets: Earlier in his time as Texas governor, Rick Perry supported the Trans-Texas Corridor, which was a boogeyman to some under the name "NAFTA Superhighway. As Massachusetts governor, Mitt Romney "encouraged building housing around rail stations, a 'smart growth' position typically championed by left-leaning groups, and employed a 'fix-it-first' philosophy toward infrastructure. Michele Bachmann wouldn't shy away from a chance at earmarks for her district (she just wouldn't call them earmarks). Newt Gingrich advocated Chinese-style giant transportation projects. As a senator back when Republicans supported infrastructure funding, Rick Santorum voted repeatedly for transportation bills.

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