On a steamy summer morning, Robert F. Kennedy Jr. strode into a hotel conference room in Columbia, South Carolina, amid a barnstorming town hall tour of a state where Joe Biden won close to 49 percent of the vote in the 2020 Democratic primary.
Mr. Kennedy spoke about his 2024 presidential campaign. While Democrat pundits say he’s a fringe candidate who spreads conspiracy theories, polls show him with the highest favorability rating of any presidential candidate.
