With Republicans reeling from this week’s off-year elections, the five candidates — Gov. Ron DeSantis (R-FL), former U.N. Ambassador Nikki Haley, biotech entrepreneur Vivek Ramaswamy, former New Jersey Gov. Chris Christie, and Sen. Tim Scott (R-SC) — criticized Trump and each other with a greater sense of urgency, two months before Iowa’s first-in-the-nation caucuses and as the former president maintains his stranglehold on the party.