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No handshake for Donald Trump, Hillary Clinton at start of second presidential debate

ST. LOUIS — It's a no handshake between Hillary Clinton and Donald Trump at the start of the second presidential debate at Washington University in St. Louis.

The two candidates walked out on stage Sunday night but refused to shake each others hands, breaking a traditional debate decorum. Instead, they smiled, nodded their heads toward each other and stood with an awkward gap between them.

Trump and Clinton did shake hands at the end of the debate after answering the question, "What is the one positive thing you respect about each other."

Democratic nominee Hillary Clinton (R) shakes hands with Republican nominee Donald Trump after the first presidential debate at Hofstra University in Hempstead, New York on September 26, 2016. (TIMOTHY A. CLARY/AFP/Getty Images)

Democratic nominee Hillary Clinton (R) shakes hands with Republican nominee Donald Trump after the first presidential debate at Hofstra University in Hempstead, New York on September 26, 2016. (TIMOTHY A. CLARY/AFP/Getty Images)

The no handshake between Clinton and Trump in the beginning highlighted how tense the election had become.

At the beginning of the first debate at Hofstra University, Trump and Clinton shook hands.

But that was also before the leaked 2005 tape that showed Trump bragging about groping woman. Trump was on an Access Hollywood tour bus with Billy Bush and is heard saying, "When you're a star, they let you do it. You can do anything ... Grab them by the pu**y. You can do anything."

Trump issued a video apology Friday night, but the tape continued to dominate the news as top GOP politicians, including Paul Ryan and John McCain, speaking out against the vulgar comments.

The republican nominee, though, had his own plan to prevent his campaign from collapsing before election day.

Less than two hours before the town hall-style event, Trump held a surprise news conference with women who accused Bill Clinton of sexual assault. He also included one woman who was allegedly raped when she was 12 years old. Hillary Clinton was the lawyer who defended the man she was accusing of rape.

The four women are sitting with the Trump family in the front row.

It was much different between Clinton and Trump family. Bill Clinton shook hands with Trump's wife, Melania Trump, his two sons and daughter Ivanka as they entered the hall before the debate started.

The second presidential debate was moderated by Anderson Cooper and Martha Raddatz.