Donald Trump on Saturday returned to a familiar victim for his attacks, and some are struggling to understand exactly why. Trump bragged at his event that he hit Ron DeSantis low and high and to the side, and that he ultimately conquered the Florida governor, despite DeSantis having already endorsed Trump. The former president even compared his attacks on DeSantis to the attacks his administration leveled against ISIS. “I hit him hard, I hit him low, just like we did to ISIS…We hit this guy so hard,” the ex-president said. “He’s a shell of the man…We have to hit our enemies hard.” ALSO READ: R…