Kansas Sen. Jerry Moran is the only announced candidate for chairman of the National Republican Senatorial Committee next year, but Ohio's Rob Portman may be interested in that key role too.After a series of tough election cycles for the GOP, running the committee has become a thankless job that apparently few senators want to take on. Witness current NRSC Chair John Cornyn’s blunt statement early Wednesday morning: “It’s clear that with our losses in the Presidential race, and a number of key Senate races, we have a period of reflection and recalibration...

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