 Donald Trump has previously said he might go public with the choice that he says he's already made ahead of the Republican-nominated convention. But NBC says there have been some high-level discussions within the Trump campaign about doing it soon. He does have a campaign event in Virginia on Friday. And don't forget, WTOP will air the debate live, both on WTOP and at WTOP.com. That's coming up tomorrow night, and it all starts at 9.