Senate

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Republican veterans in the Senate, including Minority Leader Mitch McConnell of Kentucky, face primary battles. (Associated Press)

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Senate Minority Leader Bob Huff, left, of Diamond Bar, and Sen. Tom Berryhill, R-Twain Harte, walk to an ethics training session at the Library and Courts building in Sacramento, Calif., Wednesday, April 23, 2014. Senate President Pro Tem Darrell Steinberg, D-Sacramento, has ordered all state senators and top aids to a day of ethics training in the wake of criminal charges against three Democratic senators. (AP Photo/Rich Pedroncelli)

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Senate President Pro Tem Darrell Steinberg, D-Sacramento, pauses to talk with fifth grade students from Deterding Elementary School, before he attended an ethics training session in Sacramento, Calif., Wednesday, April 23, 2014. Steinberg ordered all state senators and top aids to a day of ethics training in the wake of criminal charges against three Democratic senators.(AP Photo/Rich Pedroncelli)