Colorado's another example of why there won't necessarily be a "blue shift" in late-counted ballots (and could even be a red shift). Dems lead by 13 points in mail ballots returned so far. But the mail ballots that *haven't* been returned yet are +3 GOP.https://t.co/XnaLyJWcVi

— Nate Silver (@NateSilver538) October 24, 2020