Trump had refused to commit himself to whether he would accept the results of the November 8 general elections during the third and final presidential debate.
Trump and Clinton are still sharply at odds over his insistence that he may not concede if he loses on Election Day. "Make no mistake", Clinton explained, "By doing that, he is threatening our democracy".
But on Thursday, the candidate gave an even bigger preview of the sore loser we could expect to see by saying he would "promise and pledge" to accept the results of the election - as long as Hillary Clinton doesn't win!
The annual event, which takes place during election years, offers presidential candidates a chance to crack jokes about one another.
The findings came after repeated statements by Republican nominee Donald Trump that the elections are rigged in favor of Clinton and that massive voter fraud may be underway. Dolan, thrust into the role of temporary peacemaker, described a less antagonistic moment backstage after he invited them to pray.
UN Alarmed By Rising Number of Migrant Deaths
And more people are traveling on the perilous route from Libya to Italy. This year only 327,800 people made the same trip.
Eighteen percent said it's unlikely they would accept the election as legitimate if their candidate loses and 13 percent said they would definitely not accept it. She has been my Secretary of State. He implied that Clinton hates Catholics, based on emails hacked by WikiLeaks, and called her crooked and corrupt, which he has said repeatedly on the campaign trail but less appropriately so in the ballroom of the Manhattan Waldorf Astoria. At the White House, press secretary Josh Earnest said it was unclear what Moscow was trying to do.
Trump's talk of a "rigged" election came after almost a dozen women came forward last week alleging that Trump had groped or kissed them without their consent - prompting a deluge of defections from Republicans who had been supporting his campaign and unfavorable media coverage.
"It's appropriate that people might be suspicious of their motives", Mr Earnest said. "I hope that as we move through these next 18 days everyone thinks seriously about what you really want to see, not just in your next president, but in your lives, in your jobs, in your education, in our future together", Clinton said today, her first rally since the last debate.
US presidential campaign tensions seeped into a high-profile charity dinner on Thursday as Donald Trump joked about sending Hillary Clinton to prison and she alluded to Trump's statements about women by estimating how he might rate the Statue of Liberty's attractiveness a four, maybe a five.
Mrs Clinton has sought to use Mr Trump's widely panned attacks on the father and his wife as evidence supporting her case that the Republican bullies minorities, especially those who disagree with him.