Which is basically about states that let you vote early. Like western states with very inclusive absentee ballot rules.
If you live out West, but your entire state (or, say, 60% of the previous cycle's voters) votes in the week leading up to the election, we might get a reverse early call: the results out West mean the vote Day-Of in Eastern states Does Not Count (much).
Not this time. This time, it's more a matter of the walls closing in on McCain.