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The Boston Globe

Metro

Voters head to the polls in Mass. to pick GOP nominee

Massachusetts voters are heading to the polls this morning to vote in a Republican presidential primary, joining voters in nine other states casting Super Tuesday ballots.

Mitt Romney, Rick Santorum, Newt Gingrich, and Ron Paul are squaring off in the latest high-stakes round of what has been a grueling -- and sometimes nasty -- fight for the GOP nomination.

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