"Key Highlights from South Carolina's Republican Primary"

Nikki Haley's presidential campaign faces a tough challenge in the South Carolina Republican primary, where Donald Trump has consistently led in polls and garnered support from top GOP officials. Despite the odds, Haley vows to continue her campaign beyond the primary. The primary will indicate Trump's base expansion and his performance among independents. While Haley's chances of winning are slim, a strong showing could provide momentum for future contests, including Super Tuesday.