The typically raucous crowd at former President Donald Trump’s Waco, Texas, rally didn’t give him any love when he mocked Florida Gov. Ron DeSantis, his expected presidential rival, on Saturday. Speaking to his supporters, Trump recounted how DeSantis asked him for an endorsement for his 2018 governor’s race, claiming the Florida Republican came to him with “tears in his eyes.” The former president ultimately touted himself as DeSantis’ savior, claiming it was his endorsement that secured a win for the Florida governor. But as Trump imitated DeSantis in a pleading voice, the throngs were unusually silent, failing to cheer as...