U.S. Sen. Lindsey Graham, R-S.C., center, during a campaign event for U.S. Sen. Dean Heller, R-Nev., and 3rd Congressional District candidate Danny Tarkanian at the Nevada GOP Victory Office in He …

U.S. Sen. Lindsey Graham, R-S.C., center, during a campaign event for U.S. Sen. Dean Heller, R-Nev., and 3rd Congressional District candidate Danny Tarkanian at the Nevada GOP Victory Office in Henderson Friday, Oct. 26, 2018. K.M. Cannon Las Vegas Review-Journal @KMCannonPhoto