CRESTON, Iowa — Florida Gov. Ron DeSantis said Saturday that the U.S. should not accept refugees from Gaza as hundreds of thousands of Palestinians flee from the north to the south, following Israeli government warnings to evacuate before an anticipated ground invasion. “I don’t know what Biden’s going to do, but we cannot accept people from Gaza into this country as refugees,” DeSantis told an audience of caucusgoers at an event here sponsored by the super PAC Never Back Down. Onstage before the crowd of about 50 people in this rural town southwest of Des Moines, DeSantis said other Arab...