Also, this...
Biden Suggests He Would Only Serve One Term if Elected President
Advisers close to the candidate say he won’t run for reelection in 2024 if elected in 2020.
And then he changed his mind.
If that hadn't happened and they instead had a normal convention, we might be in a much different situation now.
And speaking of which:
If that name sounds familiar, Mnuchin later became Trump's treasury, from 2017-2021.