The drama of a potential October surprise comes as much with the ticking of the clock towards Election Day as it does with the shrinking of the electoral map. A tight race like this year's, where the candidates are separated by a few points in battleground states, increases the likelihood that an unexpected event can shape the polls.

Read more http://feeds.abcnews.com/click.phdo?i=4728f8be59059be23ba3a7d429d29299