Republican U.S. presidential candidates participate in their fourth debate of

Republican presidential candidate and former U.S. Ambassador to the United Nations Nikki Haley looks on as fellow candidate businessman Vivek Ramaswamy passes by, during a break at the fourth Republican candidates’ U.S. presidential debate of the 2024 U.S. presidential campaign at the University of Alabama in Tuscaloosa, Alabama, U.S. December 6, 2023. REUTERS/Brian Snyder