 Officers say that he is expected to announce who his running mate will be by next Monday. That is just as the Republican National Convention gets underway. Sources tell us it is down to a final three. Senator J.D. Vance, Senator Marco Rubio, and North Dakota Governor Doug Burgum. But sources tell us Trump has still not made a final decision yet. Rachel Scott, ABC News. Welcome back. Good morning, New Hampshire. Good morning, Maine.