In a close election boots on the ground with campaign staff and offices to organize get out the vote efforts makes the difference. With Trump behind in a number of key states he puts himself at a further disadvantage.
Note that Trump has NO offices in the key state of Arizona. A state he can't afford to lose.
For more comparisons, especially in the key state of North Carolina, follow after the bump....
More at 538.
Don't say I didn't warn you: