Mitt Romney has recently started attacking Newt Gingrich for saying that some illegal immigrants should be allowed to stay in the country, deriding the position as “amnesty’’ as the former Massachusetts governor tries to stem the rise of one of his strongest rivals for the Republican presidential nomination. But Romney just five years ago advocated a nearly identical position, and his evolution to a more hard-line position is exposing the former Massachusetts governor to the flip-flop charges that have been seen as one of his major vulnerabilities.
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