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Romney, Santorum campaigns trade barbs

Spar over who is more conservative

By Shira Schoenberg

 |  Globe Correspondent  

  February 06, 2012

Republican presidential candidate Mitt Romney is going after a new foe: former Pennsylvania Senator Rick Santorum. Until now, the former Massachusetts governor has focused most of his attention on former House Speaker Newt Gingrich, who beat Romney in the South Carolina primary and has been his most formidable opponent so far, despite Santorum’s narrow victory over Romney in the Jan. 3 Iowa caucuses. Today, however, Romney’s campaign appeared to pivot, trading barbs with Santorum over health care and earmarks.

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