For many fans at the UFC fight Saturday in Las Vegas, there was only one big winner, regardless of what happened inside the caged octagon. Former President Donald Trump drew a hero’s welcome from fans who had come to see the fight between Conor McGregor and Dustin Poirier. Trump entered T-Mobile Arena through the fighter tunnel before the welterweight bout that took place between Gilbert Burns and Stephen Thompson that immediately preceded the main attraction, according to USA Today. There were, of course, boos to be heard as Trump entered through a phalanx of raised cell phones that recorded him...