In her first TV interview with the conservative US broadcaster Fox News, US Democratic presidential candidate Kamala Harris engaged in a heated exchange with the presenter in an interview that was more confrontational than previous ones. The roughly 30-minute conversation felt like a duel, with Fox presenter Bret Baier repeatedly interrupting Harris on the first topic: migration. Harris found herself on the defensive at the start but regained her footing as the discussion progressed. Harris’ rival Republican nominee Donald Trump, a former president, regularly criticizes Harris on border issues…