Gov. Nikki Haley, R-South Carolina, left, campaigns with Republican presidential candidate Sen. Marco Rubio, R-Florida, in Chapin, S.C., on Thursday, Feb. 18, 2016.
Gov. Nikki Haley, R-South Carolina, left, campaigns with Republican presidential candidate Sen. Marco Rubio, R-Florida, in Chapin, S.C., on Thursday, Feb. 18, 2016. Grace Beahm AP
Gov. Nikki Haley, R-South Carolina, left, campaigns with Republican presidential candidate Sen. Marco Rubio, R-Florida, in Chapin, S.C., on Thursday, Feb. 18, 2016. Grace Beahm AP