CNN poll:
— Geoff Garin (@geoffgarin) September 2, 2020
Biden's lead grows from +4 to +8 (51% Biden, 43% Trump)
Biden voters are more likely than Trump voters to say their minds are made up (94% vs. 87%)
Trump's favorables drop post-convention to a net negative of 16 points, while Biden's rise to a net positive of 5