The idea that all of this is "not that complicated" and "pretty simple" is Ramaswamy's pitch. He's organized his campaign around the idea of simple truths. As expected, he's already drawn attacks from other candidates on the stage. Pence has already hammered him on his lack of experience.
-Analysis by Monica Potts of FiveThirtyEight

Christie received loud boos from the crowd as moderators introduced the Republican field at the start of the debate. As of August 2023, the former New Jersey governor’s unfavorability rating is nearly 49%, according to the latest polling averages [published by FiveThirtyEight], () while his favorability rating hovers at 23%.

-ABC News’ Nicholas Kerr and Olivia Osteen

On COVID-19, Republicans are not happy with the Biden administration’s response. According to a Ipsos/Reuters survey from August, only 27 percent of Republicans think the administration has done the right amount to promote public health and fight COVID-19, compared to 66 percent of Democrats and 55 percent of independents. Thirty-three percent of Republicans said the administration has done too much, and 30 percent said it has done too little.
-Analysis by FiveThirtyEight

Haley has been struggling to distinguish herself among the presidential field, so it's notable that she came out swinging against not just the men on the stage with her but Republicans in Washington, DC as well, for passing those substantial spending bills during the Covid-19 pandemic.
–Analysis from Jacob Rubashkin, Inside Elections

Trump maintains a lead of 28 percentage points over his nearest competitor in South Carolina, according to the latest polls.

Haley and Scott, the two candidates from South Carolina, are both polling higher in South Carolina than they are nationally, according to our polling average. Trump is polling about 7 points lower in South Carolina than in national polls.

Only one pollster, the Manhattan Institute has tested the favorability of Republican candidates in South Carolina since July 1. That survey found Scott and DeSantis had the highest net favorability in the state (+56 and +55 percentage points, respectively), and Trump and Haley close behind (+39 and +33 points, respectively). Pence had a net favorability of +1 point, and Christie was underwater by -36 points.

Economic issues are most important to Republican primary voters in South Carolina, according to a July survey from Fox Business/Beacon Research/Shaw & Co. Research. Fifty-one percent of Republican voters said economic issues would be most important for deciding their vote. Twelve percent each said immigration issues, social issues and foreign policy were most important.

In an August survey by National Public Affairs, 40 percent of South Carolina Republican voters said that Trump wouldn’t lose their support even if he did not show up to the debate. Twelve percent said that they support Trump, but if he didn’t debate they would be open to or definitely supporting someone else, 32 percent said they wouldn’t vote for Trump regardless, 9 percent said they probably wouldn’t watch the debate anyway and 6 percent were unsure.

-Analysis by FiveThirtyEight