Trump publicly rebukes his CDC Director for testifying that masks are effective and a vaccine might take awhile, he faces tough questions from undecided voters in a live town hall, and the results of our new Pollercoaster survey with Change Research show that infrequent and undecided voters are most persuaded by Joe Biden’s plans on the economy, health care, racial justice, climate, and education. Then communications guru Anat Shenker-Osorio talks to Dan about the most effective ways to talk to voters in the homestretch.