Republican presidential candidate Donald Trump (L) and Democratic presidential candidate Hillary Clinton participate in the second presidential debate at Washington University in St. Louis, the United States, on Oct. 9, 2016. (Xinhua/Yin Bogu)
Republican presidential candidate Donald Trump (L) and Democratic presidential candidate Hillary Clinton participate in the second presidential debate at Washington University in St. Louis, the United States, on Oct. 9, 2016. (Xinhua/Yin Bogu)