CNN poll:

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

— Geoff Garin (@geoffgarin) September 2, 2020