Clinton, Trump refuse to shake hands at presidential debate

Republican presidential nominee Donald Trump stands next to Democratic presidential nominee Hillary Clinton during the second presidential debate at Washington University in St. Louis, Sunday, Oct. 9, 2016. (AP Photo/Julio Cortez)

Hillary Clinton and Donald Trump refused to shake hands as they entered the debate hall in St. Louis. That's a break from traditional debate decorum.

The town hall-style event is expected to be tense. Shortly before it began, Trump held a press conference with three women who had accused President Bill Clinton of sexual wrongdoing and Hillary Clinton of acting vindictively toward them. Trump also introduced a woman who as a 12-year-old had accused a man of rape; Hillary Clinton as a young lawyer defended that man.

Those four women are seated with the Trump family in the front row of the audience of the debate hall.

Bill Clinton shook hands with Trump's wife, Melania Trump, his two sons and daughter Ivanka as they entered the hall before the debate.

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