They have been nominated and one will be the next president, unless something truly 'unprecedented' happens, like an asteroid striking the earth.
There's actually a much higher statistical chance that both might die of old-age related "natural causes" between now and January 2021.
One felt obliged to deny that he was having TIAs (mini-strokes) hence his recent hospital visit - forgetting that nobody suggested he was having mini-strokes - thus stupidity had him accidentally "admitting by denial" the reason for his hospital visit. This is the stupid one - called by his devotees "The God-Emperor". We live in crazy times.