New York has no early voting or "no-excuse" mail-in ballots, and polls are only open for 15 hours.
But at Mr. Obama's headquarters in Chicago, his aides said in interviews last week that they believed they had at least a 50 percent shot in Florida, based on mail-in ballots, voter registrations and polling.
This is true, but if we actually delve into how the polling and the voting unfolded there, we learn that the Clinton campaign knew in advance that they had a lead in the early and mail-in voting, but that the polls were beginning to favor Bernie, so an obvious strategy would have been to depress election day turnout.
For instance, in some states you can freely share pictures of your completed mail-in ballot but taking photos in or around polling places is disallowed.
But Colorado is another tricky state to poll, and this year, with a new mail-in ballot having been sent to every registered voter, it's trickier than ever.
If you make a mistake or change your mind on a mail-in ballot, take your incorrect ballot with you to your polling place, and request a replacement.
Colorado has had optional mail-in voting for some time, but after a disaster of epic waits at polling stations in 2004, the state began encouraging more use of the mail-in system.
Electors may also be revised by using mail-in forms, by visiting the returning office in that electoral district, or by registering on polling day.
Of the mail-in ballots received as of Friday, more registered Democrats had cast their ballots than Republicans or unaffiliated voters, either by mail or by early voting in regular polling places.
When I arrived at the polling station, I spotted my name in the check-in book, marked with a sticker that read "mail-in voter".
