 with speakers on deck to talk about supporting law enforcement and securing the southern border. Former U.N. ambassador turned one-time Trump challenger Nikki Haley is scheduled to speak on the importance of party unity. She dropped out of the race for the White House back in March. President Biden is reacting to former President Trump naming Ohio Senator J.D. Vance as his running mate. In a post on X, Biden said Vance talks a big game about working people.