COLUMBIA, SC - FEBRUARY 20: Heidi Cruz (R), wife of Republican presidential candidate Sen. Ted Cruz (R-TX), waves with daughters Caroline (2nd R) and Catherine (L) during a primary night party at the South Carolina State Fairgrounds February 20, 2016 in Columbia, South Carolina. Cruz and Sen. Marco Rubio (R-FL) are locked in a tight race for finishing second in the South Carolina GOP primary. (Photo by Alex Wong/Getty Images)
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