He won't be the nominee so does it really matter?
Are you saying Trump is going to quit, or are you saying Trump will have to drop out due to senility and other factors? You know, the bleach drinking, the drug use, the inability to walk more than 100 feet, all that stuff.
In contrast, Biden is sharp. Democrats don't have to worry that he won't make it to the election.
Are you going to let Pence run instead? He's kind of boring, you know. And stupid. And corrupt. He just looks not-so-corrupt in comparison to Trump. Who should Pence pick as VP?