Nate Silver: "[T]here are fewer undecided voters this year. In 2016, there were about 13 or 14 percent undecided plus third party; it’s around 6 percent this year. That’s a pretty big difference. Trump could win every undecided voter in these polls and he would still narrowly lose the...
Polls of Midwestern states since the final debate
Polls conducted entirely (or mostly) after the Oct. 22 debate compared to the last poll from the same pollster
ABC News/Washington Post*