Does he have a crystal ball? I wonder. Looks like he’s giving all of Maine’s 4 electoral votes to Biden. It’s always a possibility but I spent several weeks in the central part of the state, and saw hundreds of Trump yard signs, flags, banners, and huge 4’x8′ signs nailed to the sides of houses, trees and displayed on hand-made sign posts.
Find your State on this map and see if your observations match what McCullough’s predicting.