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GOP nominates strong candidates in critical races

In two critical Senate races, Republicans heeded establishment GOP warnings and shut out riskier tea party candidates.

Mitch McConnell
U.S. Senate Republican Leader Sen. Mitch McConnell (R-KY) and his wife Elaine Chao arrive for a victory celebration following the early results of the state Republican primary on May 20, 2014 in Louisville, Kentucky.Getty Images

Benjy Sarlin