Here’s some articles for anyone writing an article on this:
The deadline has not passed in Wisconsin to replace Biden on the ballot. Here’s why.
https://www.jsonline.com/story/news/politics/politifactwisconsin/2024/07/11/the-deadline-has-not-passed-in-wisconsin-to-replace-biden-on-ballot/74363946007/
NEVADA: If a presidential nominee drops out, what happens to states’ ballots?
https://nevadacurrent.com/2024/07/14/if-a-presidential-nominee-drops-out-what-happens-to-states-ballots/
PBS already running a story saying it’s no problem;
https://www.youtube.com/watch?v=5PYwheiMCT8