The Senate Odds By Mark Halperin

Why a GOP takeover is no longer a sure thing

  • Kevin Lamarque/Reuters

    A woman walks past the U.S. Capitol in Washington, Sept. 25, 2012.

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    In this year's marquee matchup, Brown has done a good job of keeping Warren on the defensive about her professed Native American heritage, but a booming Obama victory in the Bay State might pull too many Democrats to the polls for the incumbent to avoid elimination.

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