Clinton and Trump at Alfred Smith Dinner

Hillary Clinton, Cardinal Timothy Dolan, archbishop of New York, and Donald Trump attend the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton speaks at the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Donald Trump speaks as Hillary Clinton looks on during the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton greets Melania Trump at the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton, left, Cardinal Timothy Dolan, archbishop of New York, Donald Trump and Melania Trump attend the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Donald Trump attends the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton attends the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton, Cardinal Timothy Dolan, archbishop of New York, Donald Trump and Melania Trump attend the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton and Donald Trump attend the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton and Donald Trump were among the attendees at the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Former New York Mayor Rudy Giuliani and Maria Bartiromo attend the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Henry Kissinger and Gayle King attend the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton and Donald Trump were among those attending the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Donald Trump attends the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton attends the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton, Cardinal Timothy Dolan, and Donald and Melania Trump attend the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton and Donald Trump attend the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton, Cardinal Timothy Dolan, archbishop of New York, and Donald and Melania Trump attend the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Donald Trump speaks and Hillary Clinton looks on at the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton chats with Cardinal Timothy Dolan, archbishop of New York at the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton and Cardinal Timothy Dolan, archbishop of New York, chat during the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.

Hillary Clinton and Donald Trump flank Cardinal Timothy Dolan, archbishop of New York, at the Alfred E. Smith Memorial Foundation Dinner at the Waldorf Astoria in New York City Oct. 20, 2016.