AdvertisementRepublican Martha McSally Picked To Fill Senate Seat Formerly Held By John McCainDecember 18, 2018Jessica TaylorfacebookEmailRep. Martha McSally, R-Ariz, speaks during a rally for President Trump in October. In response to her appointment, McSally said she was "humbled" and looked forward to working with Sen.-elect Kyrsten Sinema, her former opponent. (Getty Images)