Even before The Washington Post reported on a 2005 recording of Donald Trump making crude comments about exploiting his celebrity to sexually assault women, Hillary Clinton's campaign was on the upswing. Her strong performance in the first presidential debate had pushed her national polling numbers up fairly quickly. Not as quickly as after the party conventions, mind you, but even before a new NBC-Wall Street Journal poll released on Monday, she led by about five points. Then the new poll came out. As always, one poll could be an outlier. This poll has a relatively high margin of error of...