Democratic presidential nominee Joe Biden shouldn't get too comfortable. It's been a few days since the end of the Democratic National Convention, and as FiveThirtyEight's Nate Silver notes, Biden hasn't seen a typical post-DNC bump in his polling numbers.

Looting and rioting broke out in Minneapolis again after the police were accused of shooting and killing another black man, but they say video shows that he committed suicide. The incident was captured on cellphone video by residents.