Donald Trump, president and chief executive of Trump Organization Inc. and 2016 Republican presidential candidate, right, looks towards Ben Carson, retired neurosurgeon and former 2016 Republican presidential candidate, during a news conference at the Mar-A-Lago Club in Palm Beach, Florida, U.S., on Friday, March 11, 2016. Carson, who recently ended his quest for Republican presidential nomination, endorsed his onetime rival Donald Trump Friday striking a blow to presidential candidate Senator Ted Cruz, who had courted Carson because they appeal to many of the same religious-minded voters. Photographer: Andrew Harrer/Bloomberg via Getty Images
