"As former U.N. Ambassador Nikki Haley crisscrosses the country ahead of an anticipated 2024 presidential bid, she is also fixated on defending her home turf — from an incursion led by her onetime boss, former President Donald Trump. Haley is putting her political muscle behind South Carolina Rep. Nancy Mace, a freshman congresswoman who blamed Trump for the deadly Jan. 6 Capitol riot — and who is now facing a Trump-endorsed opponent, Katie Arrington, in next week’s Republican primary. Haley, a former South Carolina governor, has appeared in Mace’s TV ads, headlined a fundraiser that raised six figures, and is expected to close out the race by holding several events with the congresswoman."