Stand-in's practice on set ahead of the second U.S. presidential debate at Washington University in St. Louis, Missouri, U.S., on Saturday, Oct. 8, 2016. Washington University in St. Louis, Missouri, U.S., on Saturday, Oct. 8, 2016. Republican presidential nominee Donald Trump on Saturday defied party members' calls for him to quit the presidential race over a 2005 video that surfaced of him talking crudely about women, as open rancor about the GOP's White House choice thrust the party into its biggest crisis in decades. Photographer: Daniel Acker/Bloomberg via Getty Images
