The Republican National Committee will release an ad during the debate Wednesday night promoting early voting -- a method that some in the GOP acknowledge they have fallen behind on in recent years.

Included in the ad are RNC Chairwoman Ronna McDaniel, former Vice President Pence and former President Trump, who promotes the party's new early voting effort launched earlier this year.

The party is also planning to have a Bank Your Vote booth in Milwaukee on Wednesday, with absentee ballot request forms from all 56 states and territories.

The GOP has struggled to regain parity with Democrats on early voting after Trump baselessly lambasted the method as ripe for widespread fraud, without providing evidence for his claims.

-ABC News' Tal Axelrod

President Joe Biden's reelection campaign was noncommittal Wednesday when asked if he would debate the ultimate GOP presidential nominee.

"We have not had a conversation about that at all," Biden campaign co-chair Cedric Richmond told reporters during a press conference Wednesday. "I'm sure one day we will. But it's not today and I don't have any news on that. But what we're going to continue to do is continue to govern because Vice President [Kamala] Harris and President Biden have a job to do and they take it serious. So when we have news on that, we’ll let you know."

Biden and his allies have gone after the entire Republican primary field, tying them all to the "MAGA" brand of former President Trump.

However, the future of presidential general election debates is up in the air after the Republican National Committee last year voted to quit the Commission on Presidential Debates, the non-partisan group that has put on general election debates since 1988.

Biden's campaign also defended its decision to not engage in any Democratic primary debates, boasting that the president, as the incumbent, is the presumed nominee despite facing challenges from Robert F. Kennedy Jr. and Marianne Williamson.

-ABC News' Tal Axelrod

President Joe Biden said earlier Wednesday that he will try to watch some of the debate that could help determine who his opponent will be next year.

Yet when asked by a reporter what his "expectation" is, Biden simply responded, "I have none," with a laugh.

Trump, the primary front-runner so far, is not appearing at Wednesday's debate, lowering the chances that Biden's general election opponent will be on stage.

-ABC News' Tal Axelrod

In the aftermath of a debate, it can be hard to figure out the actual impact of a viral moment or heated exchange. Here are some data-driven approaches that can help cut through the noise:

First, ignore “instant polls” that ask questions only among people who watched the debate. That group is not likely to represent the feelings of the broader population. Instead, look for post-debate polls — (like ours with Ipsos and the Washington Post) — that ask questions among the same group of Americans both pre- and post-debate.

Second, in the days following the debate, look at data that captures attention to candidates, such as trends in search results or media coverage, to determine which candidate made the biggest splash. Media attention is crucial for candidates who aren’t well known to gain traction in the polls and with donors.

Finally, look for changes in horse-race polls in the week or two after the debate. There is a lot of noise in primary polls (especially this time around) and it can take some time for changes in public opinion to be reflected in our polling average.

The big thing to remember is that what’s important to journalists and television pundits may not be what’s important to the public, and we have to wait for pollsters to ask them how they feel.

-Analysis by G. Elliott Morris of FiveThirtyEight

Why are voters so dissatisfied with Biden’s economy?

That’s one of the questions that will shape the 2024 race as Republicans gear up to select a presidential challenger. Right now, only 36 percent of American adults approve of Biden’s handling of the economy, according to an AP-NORC poll from Aug. 10-14. Similarly, a Fox News poll from Aug. 11-14 found that only a quarter of American voters say Biden’s policies have made the economy better. Some of this is affected by partisanship: A large majority of Republicans disapprove of his handling of the economy, but Democrats aren’t over the moon either, with only about two-thirds approving, according to the AP poll.

It’s tempting to think this is all a hangover from last summer’s doldrums, when inflation peaked at 9.1 percent last June. Consumer prices might be the most obvious way that everyday Americans interact with the economy. Inflation today is still 3.2 percent higher compared to this time last year, which means prices are still above what they were before the pandemic.

The fact that the job market remains strong, with unemployment at historic lows and wages rising, hardly makes an impact when people feel like they’re spending more every time they go to the grocery store and are struggling to pay down debts amid high interest rates. But the truth is, Americans’ view of the economy overall was low when Biden took office during the wobbly beginnings of the COVID-19 recovery, and has never risen above 50 percent.

What do people want from federal policy? They support measures such as taxing the wealthy and corporations more — more than three-quarters of all Americans approve, including 90 percent of Democrats and 63 percent of Republicans, according to an Ipsos/Reuters poll. As it happens, that policy is part of Biden’s Inflation Reduction Act, his signature inflation-fighting legislative win, but less than half of Americans say they know about the bill.
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Biden is working to promote the Inflation Reduction Act and other legislative accomplishments as part of “Bidenomics,” but the fact that there’s a gap between what Biden is doing about the economy and how people feel about it leaves plenty of room for Republican attacks. Indeed, DeSantis has promised to roll back Biden’s economic policies. And the polling so far suggests that, even if the economy improves even more in the next year, Biden might not get credit for it.

-Analysis by Monica Potts of FiveThirtyEight