Since he began campaigning in earnest in South Carolina, Newt Gingrich's stump speech hasn't changed very much.
He refrains from criticizing his fellow GOP candidates. He calls Barack Obama a Saul Alinsky-style Socialist and the best food stamp president in history. He challenges the President to a Lincoln-Douglas-style series of debates. He talks about American exceptionalism and the anti-religious strain he believes is spreading across the country.
What has changed is Gingrich's audience, particularly its size. Six months ago the Gingrich campaign was all but dead. Gingrich had slammed GOP golden boy Paul Ryan's budget plan, calling it "right-wing social engineering" and voters' backlash was quick and firm.
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