Columbia, South Carolina. (Tim Dominick/The State/MCT via Getty Images) US Republican Governor of South Carolina Nikki Haley speaks at the Conservative Political Action Conference (CPAC) in National Harbor, Maryland, on March 15, 2013. (NICHOLAS KAMM/AFP/Getty Images) Republican candidate for South Carolina Governor Nikki Haley (R) smiles along with her husband Michael Haley (L) and daughter Rena (C) as they watch the runoff election results at the Columbia Sheraton on June 22, 2010 in Columbia, South Carolina. Haley defeated Rep. Gresham Barrett in a runoff election. (Photo by Chris Keane/Getty Images) South Carolina Gov. Nikki Haley speaks to the media prior to the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on May 12, 2012 in Darlington, South Carolina. (Photo by Rainier Ehrhardt/Getty Images for NASCAR) Republicanpresidential candidate, former Massachusetts Gov. Mitt Romney gives a birthday cake to South Carolina Gov. Nikki Haley during a campaign rally at Charleston Area Convention Center on January 20, 2012 in North Charleston, South Carolina. Romney continues to campaign for votes in South Carolina ahead of their primary on January 21. (Photo by Joe Raedle/Getty Images) Nikki Haley speaks to supporters as she comes onto stage during an election party for Republican South Carolina Governor candidate Nikki Haley at the State Museum on June 22, 2010 in Columbia, South Carolina. Haley defeated Rep. Gresham Barrett in a runoff election. (Photo by Chris Keane/Getty Images) Republican candidate for South Carolina Governor Nikki Haley (R) smiles along with her husband Michael Haley (L) and daughter Rena (C) as they watch