"This is not entertainment, this is not a reality show. This is a contest for the presidency of the United States. What this means is that every candidate, every nominee needs to be subject to exacting standards and genuine scrutiny," he told reporters at the White House.
Trump, who has never held elected office, has drawn criticism throughout the GOP primary with divisive remarks. The billionaire businessman opened his campaign last summer by saying Mexicans who come to the United States include rapists and drug dealers. He has also called for forcing Mexico to pay for a wall along the U.S. border and has advocated a temporary ban on Muslim immigration in response to terrorism concerns.