Former President Donald Trump’s former trade adviser Peter Navarro has a simple demand for Trump supporters: stop referring to Vice President Kamala Harris by her first name. He ranted about the vice president’s name during an episode of Steve Bannon’s “War Room,” where he is filling in as Bannon serves out his prison sentence for contempt of Congress — an offense for which Navarro was recently released from prison. “I am urging you, from this day forward, never, ever, ever, to refer to Kamala Harris by her first name, only her first name,” said Navarro. “Kamala, Kamala, Kamala… she is not a…