12/17/2010 09:59 am ET Updated May 25, 2011

John Kyl 2012 Reelection Plans Remain Unclear, Adding Uncertainty To Future Senate GOP Leadership

Arizona Sen. Jon Kyl won't say whether he'll run for reelection in 2012, adding deep uncertainty to the future of the Senate Republican leadership while raising new questions about who's next in line for his powerful No. 2 job as GOP whip.

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