Republican presidential candidate Donald Trump celebrates victory in the South Carolina primary on February 20, 2016, in Spartanburg, South Carolina. The billionaire businessman grabbed a big win, capturing nearly a third of the votes, according to early counts, but all major networks projected Trump the winner. (Jim Watson/AFP/Getty Images)
U.S. Republican presidential candidate Marco Rubio kisses his wife Jeanette as their children watch during a primary night rally in Columbia, South Carolina, on February 20, 2016. (Chris Keane/Reuters)
Republican presidential candidate Sen. Ted Cruz is accompanied by his wife, Heidi, and their two daughters, Catherine, 4, and Caroline, 7, for a South Carolina primary night rally at the South Carolina State Fairgrounds in Columbia. (AP Photo/Andrew Harnik)
Jeb Bush reacts as he announces the suspension of his presidential campaign at an election night party at the Hilton Columbia Center in Columbia, South Carolina, on February 20, 2016. (Mark Makela/Getty Images)
U.S. Republican presidential candidate and Ohio Governor John Kasich speaks at his "South Carolina Primary Election Results Watch Party" in Wakefield, Massachusetts, on February 20, 2016. (Brian Snyder/Reuters)
Republican presidential candidate Ben Carson visits voters in a restaurant during the Republican presidential primary on February 20, 2016 in Spartanburg, South Carolina. (Spencer Platt/Getty Images)
Supporters cheer as Republican presidential candidate Donald Trump is declared the winner of the South Carolina primary at his election night party. (Spencer Platt/Getty Images)
A supporter of Republican U.S. presidential candidate Marco Rubio holds up a phone before Rubio's arrival at a South Carolina primary night rally in Columbia. (Chris Keane/Reuters)
Tommie Yanik of Ocean Springs, Mississippi., wears a campaign hat at the South Carolina primary night rally for Republican presidential candidate Sen. Ted Cruz at the South Carolina State Fairgrounds in Columbia. (AP Photo/Andrew Harnik)