What Republican presidential hopefuls stand to gain — or lose — at second primary debate

GOP presidential hopefuls have a lot riding on the second debate of the 2024 nominating cycle — but some have more to prove than others.

Thanks to her well-regarded performance at the first Republican presidential nomination debate, expect plenty of attention on Nikki Haley at this week's second GOP primary showdown.

"I’ll continue to be myself. I’ll continue to say what I think," the former South Carolina governor, who later served as the U.S. ambassador to the United Nations, said in a recent Fox News Digital interview.

For Sen. Tim Scott...