Donald Trump, president and chief executive of Trump Organization Inc. and 2016 Republican presidential candidate, reacts to Jeb Bush, former governor of Florida and 2016 Republican presidential candidate, not pictured, speaking during the Republican presidential candidate debate sponsored by ABC News and the Independent Journal Review at Saint Anselm College in Manchester, New Hampshire, U.S., on Saturday, Feb. 6, 2016. The candidates are battling for next weeks primary in New Hampshire after Trump, the billionaire real estate developer and reality television star, finished second in the Iowa caucus on Feb. 1, behind Texas Senator Ted Cruz. Photographer: Andrew Harrer/Bloomberg via Getty Images