Nancy Mace Dominates GOP Primary Polls in South Carolina

New survey shows Mace significantly ahead of Templeton and Young with three weeks until election day.

Mace leads with 47% support among likely GOP primary voters in South Carolina's 1st District.
Catherine Templeton follows with 22%, Bill Young at 7%, and 24% undecided.
Mace's support is strongest among older voters, those without college degrees, and male voters.
Endorsement from former President Trump has had mixed impact on voter decisions.
Supreme Court upholds favorable congressional map for Mace's district.