The Associated Press
Justin Sullivan/Getty Images
Nikki Haley has a fighting chance against Donald Trump as she rallies women voters ahead of the South Carolina GOP primary, which could help turn the tide.
Timothy A. Clary/AFP via Getty Images; Brandon Bell/Getty Images
Drew Angerer/Getty Images
Drew Angerer/Getty Images
AP Photo/Phelan M. Ebenhack, File; AP Photo/Abbie Parr; AP Photo/J. Scott Applewhite
Peter Zay/Anadolu via Getty Images