There is no way Virginia will be called right at closing, because of Fairfax and NoVa. I said Nevada because of demographics, the Reid machine, and her being up in the polls
The networks won't need NoVa results to call it. Key precincts elsewhere and exit polls will be enough. When it's clear that Trump is underperforming significantly in places he needs to do well, that will be enough to call the state.
If Clinton wins Virginia by double digits (a possibility) it will be very easy to call.
But those calls would rely on turnout in NoVa being at expected levels, right?
If you're right, my one concrete election prediction goes down the tubes. It was: Virginia doesnt get called until late, early returns show Trump ahead, liberals freak out, but only because everyone forgets NoVa until its returns come in