- Biden won the South Carolina Democratic primary on Saturday, capturing over 96% of the vote.
- But primary challenger Dean Phillips on Sunday said that warning signs remain for Biden.
- "He should have passed the torch," Phillips said of Biden's 2024 reelection bid.
President Joe Biden on Saturday swept the South Carolina Democratic primary, winning over 96% of the vote and dominating intraparty rivals Marianne Williamson and Rep. Dean Phillips.