The FiveThirtyEight Politics Podcast crew takes a closer look at who exactly is voting in this election and how voters' preferences have changed or stayed the same since 2016.

Supreme Court Justice Brent Kavanaugh made a rare, if minor, correction to a Supreme Court opinion in response to a highly public objection.

Earlier Wednesday, the state of Vermont formally requested that Kavanaugh correct his concurring opinion from Monday's controversial Supreme Court decision blocking a mail ballot deadline extension in Wisconsin. 

While arguing that the court should not "second-guess" state legislative judgements during the pandemic, he attempted to draw a comparison between Wisconsin and other states which he claimed had decided against changes to mail ballot rules. 

"States such as Vermont," Kavanaugh wrote, "have decided not to make changes to their ordinary election rules, including to the election-day deadline for receipt of absentee ballots. The variation in state responses reflects our constitutional system of federalism. Different state legislatures may make different choices."

While it's true that Vermont has not extended its Election Day postmark requirement for mail ballots, the state has in fact made substantive changes to the rules aimed at allowing greater participation during a public health crisis, including mailing every voter a ballot and prepaid return envelope.

Kavanaugh made a revision to page 5 of his opinion, the court clerk said later Wednesday. It has not changed the substantive bottom line of his vote.

With the revision, it now reads, "Other States such as Vermont, by contrast, have decided not to make changes to their ordinary election-deadline rules, including to the election-day deadline for receipt of absentee ballots. See, e.g., Vt. Stat. Ann., Tit. 17, §2543 (2020). The variation in state responses reflects our constitutional system of federalism."

-ABC News Senior Washington Reporter Devin Dwyer and Benjamin Siegel

After a surprisingly sluggish weekend for polling, the  floodgates have opened, with a mix of high-quality polls, low-quality polls and pretty much everything in between. And although there are some outliers in both directions, they tell a fairly consistent story, overall: A steady race nationally, perhaps with some gains for Joe Biden in the Midwest.

As Biden was leaving The Queen Theater in Wilmington, Delaware, on Wednesday night, he as asked why he sometimes wears two masks.

"Because, the one mask is the N-95 and I don't like it around my ears and I hold it on with this mask," Biden said referencing how he sometimes sports a blue paper mask over his N-95 mask.

-ABC News' Molly Nagle

At an event with truckers in Las Vegas, Trump was asked about the unrest in Philadelphia following the death of Walter Wallace Jr., a Black man, at the hands of police. After condemning riots in what he called the "Democrat run" state, he said the federal government is looking into the fatal shooting.

"It's a terrible thing," Trump said. "What I'm witnessing is terrible, and, frankly, that the mayor or whoever it is, that's allowing people to riot and loot and not stop them is also just a horrible thing."

"We're looking at the shooting and if asked to go in and help, we will do that," Trump said, urging Philadelphia Mayor Jim Kenney, a Democrat, to call in the National Guard -- which the state has already done. 

Looking to the election, Trump also said that "hopefully" the courts will stop ballots from being counted past Nov. 3 -- but experts say to expect record amount of mail-in voting, election night could be more like election week.

Biden, asked earlier about the ongoing situation in Philadelphia, gave a general answer to the ongoing clashes between police officers and protesters as he tries to walk a fine line of supporting both Black Lives Matter protesters and law enforcement.

“There is no excuse whatsoever for the looting and the violence. None whatsoever. I think to be able to protest is totally legitimate, totally reasonable," Biden said, going on to pitch his idea of a national commission on policing. "But there's no excuse for the looting."