Presidential candidate Sen. Lindsey Graham, R-S.C., at a fundraiser for Sen. Joni Ernst, R-Iowa, on Saturday, June 6, 2015, in Boone, Iowa.
Presidential candidate Sen. Lindsey Graham, R-S.C., at a fundraiser for Sen. Joni Ernst, R-Iowa, on Saturday, June 6, 2015, in Boone, Iowa. AP
Presidential candidate Sen. Lindsey Graham, R-S.C., at a fundraiser for Sen. Joni Ernst, R-Iowa, on Saturday, June 6, 2015, in Boone, Iowa. AP