On November 29, 2011, MSNBC’s Lawrence O’Donnell hilariously mocked then-GOP presidential candidate Newt Gingrich’s flip-flops on human-caused climate change.

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D.R. Tucker

D. R. Tucker is a Massachusetts-based journalist who has served as the weekend contributor for the Washington Monthly since May 2014. He has also written for the Huffington Post, the Washington Spectator, the Metrowest Daily News, investigative journalist Brad Friedman's Brad Blog and environmental journalist Peter Sinclair's Climate Crocks.