Last month, Tucker Carlson’s genial interview with the white nationalist Nick Fuentes detonated a bomb that further fractured the Trump-era conservative movement he once helped galvanize. This month, Mr. Carlson decided to escape the wreckage for weeks of bird hunting in Maine, South Dakota, Nebraska and Southwest Florida. During three hours of interviews driving to and from a quail hunting site outside Fort Myers, Mr. Carlson was by turns indignant, reflective and seething — and thoroughly unrepentant for having roiled the conservative movement with the interview, or for his own escalating attacks on those who support Israel. “Israel does not...