Rep. Nancy Mace (R-SC) has defeated rival Catherine Templeton and Marine Corps veteran Bill Young to notch a Republican primary victory to defend her South Carolina House seat. “We did it – You, Lowcountry voters did it,” Mace celebrated on X. “A thousand times over – THANK YOU!” The victory was also independently confirmed by AP and the New York Times, among others. The win hands firebrand Mace the chance to serve a third term representing South Carolina’s 1st Congressional District. Her GOP victory defeats former Speaker Kevin McCarthy’s attempt to funnel funds and backing to Templeton in an…