Sen. Jim DeMint, R-S.C., speaks during to the Conservative Political Action Conference in Washington, D.C., on Feb. 9. Mandel Ngan/AFP/Getty Images hide caption

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Sen. Jon Tester, D-Mont., receives a kiss from his grandson Wednesday in Great Falls, Mont. Tester won re-election in a tight contest with Republican Rep. Denny Rehberg. Michael Albans/AP hide caption

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Annual "Biketoberfest" participants ride along Beach Street in downtown Daytona Beach, Fla., in 2010. Daytona Beach Visitors Bureau hide caption

itoggle caption Daytona Beach Visitors Bureau

Voters these days often reward politicians who sit at either end of the ideological spectrum while punishing those seen as compromisers. iStockphoto.com hide caption

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Former South Carolina Republican Rep. Bob Inglis now runs the Energy and Enterprise Initiative. /Energy and Enterprise Initiative hide caption

itoggle caption /Energy and Enterprise Initiative

Republican presidential nominee Mitt Romney meets audience members after he addressed the U.S. Hispanic Chamber of Commerce in Los Angeles on Monday. Charles Dharapak/AP hide caption

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President Obama spoke at a campaign event at Strawbery Banke Museum in Portsmouth, N.H., on Friday. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP