 First, Joe Biden comes out defiant, says no. If you can be convinced that you cannot defeat Donald Trump, will you stand down? Well, it depends. Unless the Lord Almighty comes out and tells me that, I might do that. Well, I mean, on a more practical level, Washington Post just reported in the last hour that Senator Mark Warner is assembling a group of senators together to try to convince you to stand down because they don't think you can win.