FILE - In this June 14, 2017 file photo Rep. Martha McSally, R-Ariz. speaks to reporters on Capitol Hill in Washington. McSally has told Republican colleagues that she's running for the U.S. Senate seat being vacated by Sen. Jeff Flake. McSally hasn't made a formal announcement of her intention to run in next year's Republican primary. But Arizona Rep. David Schweikert said Tuesday, Nov. 7, 2017, that she told fellow Arizona GOP members of Congress that she was running. (AP Photo/Manuel Balce Ceneta,File)