1> 👴 decides to spend more time with his 👪 while he still has a functioning 🧠. This promotes 🤡 to POTUS.
2> 🤡 appoints 👿 as her VP. 👿 does have to make it through Senate hearings, but those won't be a problem ... I'm sure the entire Romney, Murkowski, Graham faction will be more than happy to make 👿 VP if one or two of their pain in the asshole Rats won't comply (they will though ... they always do).
First all female leadership duo in history. Slobbering commences.
3> Something big on the world stage happens about a month later. "For the good of the country", 🤡 decides to step down and let 👿 take over since she "is the smartest 👩 on 🌎 and is best to lead the nation with all of her experience". They never say what kind of experience of course, but the media will make the world think that 👿 is savior of the universe.
I don't think it's a stretch to think that 👿 wants the throne and that this is their plan to make it happen. 👿 met with 🤡 before 🤡 launched her failed 2020 campaign. I'd bet decent cash that 👿 made 🤡 an offer she couldn't refuse.
OR
1> 🤡 quits.
2> Same scenario as above for 👿 for VP confirmation.
3> 👴 ⚰️, and 👿 is President and appoints Susan Rice as VP.