I think it's fairly well implied that March doesn't live much longer past the end of the novel. However, the evidence of the Holocaust will become public when Charlotte gets to Switzerland and then back to the US.
It lives! :)
Maybe put a link to the old thread in the OP?
https://www.alternatehistory.com/discussion/showthread.php?t=111014
... and perhaps also to the story only thread?
https://www.alternatehistory.com/discussion/showthread.php?t=318504
You passed 10,000 posts a long time ago, though. I don't understand why there's such a limit. Why does it matter how many posts are in a single thread?