Important addendum: if you see Sumter Co., FL (The Villages) eventually report ~95k votes and it's:

66% Trump or less: very good for Biden
67%-68%: possibly good for Biden
69%-70%: FL on track to be FL
71%-72%: possibly good for Trump
73%+ Trump: very good for Trump

— Dave Wasserman (@Redistrict) November 3, 2020