Topline Former Republican South Carolina Gov. Nikki Haley is expected to launch a run for the 2024 GOP nomination for president later this month, multiple outlets reported—a move that would make her the first Republican candidate to formally announce a challenge to former President Donald Trump in a reverse course from her previous promises not to run against him. NEW YORK, NEW YORK - JANUARY 20: Nikki Haley visits "Hannity" at Fox News Channel Studios on ... [+] January 20, 2023 in New York City. (Photo by Theo Wargo/Getty Images) Getty Images Key Facts Haley plans to send a notice...