Every new poll seems to provide support for one of two impressions of the race: one in which Hillary Clinton is pulling away toward a historic landslide, and another in which Clinton holds a lead but Donald Trump remains on the fringes of contention. …
About 15 percent of the electorate isn’t yet committed to Clinton or Trump, as compared to just 5 percent who weren’t committed to President Obama or Mitt Romney at this point in 2012. That’s one of the reasons why our models still give Trump an outside chance at victory. CONT.
Nate Silver, FiveThirtyEight