 Republicans are set to arrive in Milwaukee this weekend. On Monday, the GOP convention begins. There isn't much mystery. We know that Donald Trump will be the presidential nominee. The one remaining question, who will he select as his vice presidential running mate? There have been numerous reports that three people are under consideration. Florida Senator Marco Rubio, Ohio Senator J.D. Vance, and North Dakota Governor Doug Burgum. Trump this week has been doing some campaigning.