At PolitiFact, this is our fifth presidential cycle. We’ve published more than 23,000 fact-checks since launching in 2007, all using our Truth-O-Meter, which rates claims on a scale from True to Pants on Fire false for the most ridiculous claims.

If PolitiFact is new to you, there are a couple of rules of the road.

First, we don’t fact-check every claim every candidate says. We couldn’t … we’d be dead.

We focus on claims that are particularly interesting, in the news or obviously potentially wrong. Our grading scale tries to measure both the literal truth and how voters might interpret a politicians’ words. So if Pence tonight claims that he and Trump “achieved energy independence” in their first three years in office, it can be more complicated to fact-check than you think.

In Pence’s case, yes, the United States did produce more energy than its citizens consumed during the Trump/Pence White House, but that was built on more than a decade of improvements in shale oil and gas production, as well as renewables. And the U.S. did not produce more gasoline than it consumed (which is maybe what you were thinking about). And if that’s not enough, even though the U.S. didn’t use all the energy it produced, it still imported a substantial amount of energy to serve domestic markets.

So far in this cycle, we’ve published 52 fact-checks of the GOP candidates. Our checks tend to follow the polling of the race. We’ve fact-checked Trump 17 times, DeSantis 14 times, Pence six times, Haley and Tim Scott each five times, and so on. We'll be drawing on those previous fact-checks, as well as the thousands of other claims we've vetted, throughout the night.

-Aaron Sharockman, PolitiFact

I flew to Milwaukee earlier this week to talk to some local voters and learn more about why the GOP decided to have its first presidential debate of the 2024 cycle in the state.

-Analysis by Galen Druke of FiveThirtyEight

DeSantis remains Trump’s closest challenger, but his support has been dropping over the past several months: He currently trails the former president by nearly 40 percentage points in our national polling average.

With that drop have come some shake-ups in the DeSantis campaign. The campaign has laid off around one-third of its 92-person staff, with the latest cuts coming in July, according to ABC News. Changes stretched all the way to the top: DeSantis replaced his campaign manager with his governor’s office chief of staff. On top of that, some of his top donors have voiced concerns, saying they want DeSantis to recruit more major donors and take a more moderate approach on social issues.

All of that has made this debate crucial for DeSantis, both in terms of trying to chip away at Trump’s lead and proving to his supporters that he actually has a shot. He’s recruited a veteran debate coach and is getting advice from a supportive super PAC, according to The New York Times. That advice? Rather than attack the front-runner, DeSantis should “take a sledgehammer” to Ramaswamy who, unlike DeSantis, is rising in the polls. DeSantis won’t just be trying to win the debate tonight: He’s also aiming to push back against the rolling tide of news that hints at a flailing campaign.

-Analysis by Monica Potts of FiveThirtyEight

DeSantis and Ramaswamy, both newcomers to the presidential debate stage, will appear front and center on Wednesday night.

That's because where candidates will stand was determined by how they are faring in the polls.

More seasoned politicians, such as Pence or Christie, have been placed closer to the outer rim because of their more middling numbers so far. Hutchinson and Burgum will stand on either end.

-ABC News' Alexandra Hutzler

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