The fourth Republican presidential primary debate featured heated exchanges between candidates on various issues. One notable exchange involved Florida Gov. Ron DeSantis criticizing former New Jersey Gov. Chris Christie's stance on gender transitions. DeSantis emphasized the importance of protecting children and highlighted his legislative efforts. DeSantis also engaged in a dispute with former U.N. Ambassador Nikki Haley regarding their records on the issue. DeSantis claimed to have signed a bathroom bill, while Haley was credited with stopping one.