 Teamsters President Sean O'Brien was given the key speaking slot on night one. In light of what happened to him on Saturday, he has proven to be one tough S.O.B. To Trump's left sat his young running mate, 39-year-old Ohio Senator J.D. Vance, who will address the delegates on Wednesday. Stephen Portnoy, ABC News, at the Republican Convention in Milwaukee. Special Counsel Jack Smith to appeal a federal judge's ruling tossing the entire classified documents case against former President Trump.