Republican presidential candidates, from left, North Dakota Gov. Doug Burgum, former New Jersey Gov. Chris Christie, former U.N. Ambassador Nikki Haley, Florida Gov. Ron DeSantis, entrepreneur Vivek Ramaswamy, Sen. Tim Scott, R-S.C., and former Vice President Mike Pence, at a debate hosted by FOX Business and Univision, Wednesday at the Ronald Reagan Presidential Library in Simi Valley, Calif.