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.

51:45

FiveThirtyEight Politics Podcast: How the electorate will be different in 2020

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

The former vice president slammed Trump for the botched scene after his rally in Omaha, Nebraska, Tuesday night, saying the president "gets his photo op then he gets out" leaving "everyone else to suffer the consequences of his failure to make a responsible plan."

Hundreds of Trump supporters were stranded for hours in near-freezing weather following Trump's Tuesday rally, waiting for buses to return them from Eppley Airfield hanger to their cars, resulting in some requiring medical attention and being taken to the hospital.

Forty buses had hauled approximately 25,000 people from parking lots to the airport hanger throughout the day, according to officials. When the rally finished around 9 p.m., people flooded out of the venue to be transported by the Trump campaign in charter buses back to their cars 2.5 miles away, but many ended up walking back or waiting hours in 30-degree weather well into the night hours after Trump had left the state.

The mismanaged post-rally scene by the campaign resulted in attendees, including some elderly, requiring medical attention on-site and at least seven being transported to the hospital, according to the Omaha Scanner, a local police tracker that monitors official radio traffic. A preliminary report from the Omaha Police Department also confirmed that number.

Since many attendees chose to walk back to their cars instead of waiting for buses, foot traffic slowed bus trips "considerably," according to officials who attempted to clear the congestion. Police said the last person was loaded into a bus from the rally site around 11:50 p.m. and traffic returned to normal at about 12:30 a.m.

The Trump campaign blamed the delay on "local road closures" in a statement to ABC News.

"Because of the sheer size of the crowd, we deployed 40 shuttle buses instead of the normal 15, but local road closures and resulting congestion caused delays. We always strive to provide the best guest experience at our events and we care about their safety," said Trump campaign spokesperson Samantha Zager.

-ABC News’ Will Steakin and Terrance Smith