Joe Biden is ahead of Donald Trump in Pennsylvania in a head-to-head matchup according to a New York Times/Siena College poll of registered voters, but with a lead that is within the survey's margin of error. The poll also shows Trump slightly ahead of Elizabeth Warren, and Bernie Sanders with a slight edge over Trump.
Poll of 661 registered Pennsylvania voters was conducted from Oct. 13-25, and has a margin of error of +/- 4.4 percentage points.
