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U.S. Rep. Martha McSally, R-Ariz., speaks at a rally, Friday, Jan. 12, 2018, in Tucson, Ariz. McSally announced Friday that she is running for the Senate seat being vacated by fellow Republican Jeff Flake. (AP Photo/Rick Scuteri)
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U.S. Rep. Martha McSally, R-Ariz., speaks at a rally, Friday, Jan. 12, 2018, in Tucson, Ariz. McSally announced Friday that she is running for the Senate seat being vacated by fellow Republican Jeff Flake. (AP Photo/Rick Scuteri)