Sen. Harry Reid, D-NV, at a campaign rally in Las Vegas on Oct. 22. Hanging onto Reid's seat is a priority for labor unions. Ethan Miller/Getty hide caption

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Despite Talk Of Decline, Unions Remain Key Players
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Democrats Worry Indiana Will Revert To Red
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Longtime Michigan Rep. Dingell Faces Fight
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Supporters listen as President Obama speaks during a rally for the Democratic National Committee at Ohio State University in Columbus on Sunday night. Saul Loeb/AFP/Getty Images hide caption

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Obama Rallies His Base To Back Midterm Candidates
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As Obama Stumps, GOP's Grass Roots Grow
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Outside Groups Target Close Ohio Races
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In Pennsylvania, Voters Turn Against Democrats
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President Obama shakes hands as he arrives at a rally Tuesday on the University of Wisconsin campus in Madison, Wis. Morry Gash/AP hide caption

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White House Eyes Youth Vote Ahead Of Midterms
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Ken Buck accepts the Republican nomination for Senate on Aug. 10 in Loveland, Colo. Buck, the Weld County district attorney, defeated former Colorado Lt. Gov. Jane Norton in the primary. Eric Bellamy/The Daily Tribune/AP hide caption

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Buck Modifies Positions To Appeal To Colo. Moderates
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Tea Party: Help Or Hindrance To Republican Party
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Tea Party Favorite Upsets Del. GOP Senate Primary
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GOP Candidates Face Primary Challenges
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N.H. Primary: 7 Vie For GOP Senate Nomination
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White House Makes Boehner A Household Name
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A Break From Politics At The County Fair
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