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Donald Trump, president and chief executive of Trump Organization Inc. and 2016 Republican presidential candidate, second right, speaks as daughter-in-law Vanessa Haydon Trump, second left, son Donald Trump Jr., executive vice president of Development of Trump Organization Inc., third left, wife Melania Trump, third right, and daughter Ivanka Trump, right, listen during a primary watch party in Manchester, New Hampshire, U.S., on Tuesday, Feb. 9, 2016. Trump re-assumed his front-runner status in the Republican nominating contest after finishing second in the Iowa caucuses on Feb. 1 to Texas Senator Ted Cruz, despite leading state and national polls for months. Photographer: Victor J. Blue/Bloomberg via Getty Images

Donald Trump, president and chief executive of Trump Organization Inc. and 2016 Republican presidential candidate, second right, speaks as daughter-in-law Vanessa Haydon Trump, second left, son Donald Trump Jr., executive vice president of Development of Trump Organization Inc., third left, wife Melania Trump, third right, and daughter Ivanka Trump, right, listen during a primary watch party in Manchester, New Hampshire, U.S., on Tuesday, Feb. 9, 2016. Trump re-assumed his front-runner status in the Republican nominating contest after finishing second in the Iowa caucuses on Feb. 1 to Texas Senator Ted Cruz, despite leading state and national polls for months. Photographer: Victor J. Blue/Bloomberg via Getty Images