US Democratic presidential candidate Hillary Clinton and US Republican presidential candidate Donald Trump shakes hands after the second presidential debate at Washington University in St. Louis, Missouri, on October 9, 2016. / AFP / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

US Democratic presidential candidate Hillary Clinton and US Republican presidential candidate Donald Trump shakes hands after the second presidential debate at Washington University in St. Louis, Missouri, on October 9, 2016. / AFP / Robyn Beck        (Photo credit should read ROBYN BECK/AFP/Getty Images)