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The media center is seen prior to the second presidential debate between US Democratic Presidential nominee Hillary Clinton and Republican counterpart Donald Trump at Washington University in St. Louis, Missouri, on October 9, 2016.

A Trump supporter holds a sign before the town hall debate at Washington University on October 9, 2016 in St Louis, Missouri. This is the second of three presidential debates scheduled prior to the November 8th election.

Jan Mazur of Cincinnati, Ohio holds a sign before the town hall debate at Washington University on October 9, 2016 in St Louis, Missouri. This is the second of three presidential debates scheduled prior to the November 8th election.

A videographer adjust his camera before the start the second presidential debate at Washington University in St. Louis, Sunday, Oct. 9, 2016.

Kellyanne Conway, campaign manager for republican presidential candidate Donald Trump, third from right, looks on as Trump meets with, Paula Jones, Kathy Shelton, Juanita Broaddrick, and Kathleen Willey, before the second presidential debate with democratic presidential candidate Hillary Clinton at Washington University, Sunday, Oct. 9, 2016, in St. Louis.

Republican presidential candidate Donald Trump, right, listens as Juanita Broaddrick, who has accused former President Bill Clinton of sexual assault, speaks Sunday in St. Louis before the second presidential debate.

US Democrat presidential nominee Hillary Clinton arrives October 9, 2016 at Lambert-St. Louis International Airport in St. Louis, Missouri where she will take part in the second televised debate against her Republican rival Donald Trump at Washington University.

Bill Clinton shakes hands with Melania Trump, wife of Donald Trump before the second presidential debate between Republican presidential nominee Donald Trump and Democratic presidential nominee Hillary Clinton at Washington University in St. Louis, Sunday, Oct. 9, 2016. Behind Melania is Ivanka Trump, daughter of Donald Trump.

Anderson Cooper, of CNN, and Martha Raddatz, of ABC News, moderate the second presidential debate between Republican presidential nominee Donald Trump and Democratic presidential nominee Hillary Clinton at Washington University in St. Louis, Sunday, Oct. 9, 2016.

Republican presidential nominee Donald Trump and Democratic presidential nominee Hillary Clinton answer questions during the second presidential debate at Washington University in St. Louis, Sunday, Oct. 9, 2016.

Republican presidential nominee Donald Trump answers Democratic presidential nominee Hillary Clinton during the second presidential debate at Washington University in St. Louis, Sunday, Oct. 9, 2016.

Chelsea Clinton, daughter of Hillary Clinton and former President Bill Clinton watch during the second presidential debate sbetween Republican presidential nominee Donald Trump and Democratic presidential nominee Hillary Clinton at Washington University in St. Louis, Sunday, Oct. 9, 2016.

Democratic presidential nominee former Secretary of State Hillary Clinton responds to a question during the town hall debate at Washington University on Oct. 9, 2016.

Republican presidential nominee Donald Trump speaks Democratic presidential nominee Hillary Clinton listens during the second presidential debate at Washington University in St. Louis, Sunday, Oct. 9, 2016.

From left, President-elect Donald Trump's wife, Melania; daughter, Ivanka; son, Eric; and son Donald Trump, Jr. attend the town hall debate at Washington University on Oct. 9, 2016 in St Louis, Missouri.

TV monitors in the press room show Republican nominee Donald Trump and Democrat nominee Hillary Clinton on stage as they participate in the 2nd debate at Washington University in St. Louis, Missouri October 9, 2016.

Republican presidential candidate Donald Trump speaks during the second presidential debate at Washington University in St. Louis, Missouri on October 9, 2016.