NEW YORK, NY - OCTOBER 20: Hillary Clinton speaks briefly with Donald Trump while attending the annual Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria on October 20, 2016 in New York City.The white-tie dinner, which benefits Catholic charities and celebrates former Governor of New York Al Smith, has been attended by presidential candidates since 1960 and gives the candidates an opportunity to poke fun at themselves and each other. (Photo by Spencer Platt/Getty Images)

NEW YORK, NY - OCTOBER 20: Hillary Clinton speaks briefly with Donald Trump while attending the annual Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria on October 20, 2016 in New York City.The white-tie dinner, which benefits Catholic charities and celebrates former Governor of New York  Al Smith, has been attended by presidential candidates since 1960 and gives the candidates an opportunity to poke fun at themselves and each other.  (Photo by Spencer Platt/Getty Images)