Donald Trump Jr. slammed Vice President Kamala Harris as a “phony moron” after his father backed out of an ABC News debate that he had previously agreed to attend. In a Sunday afternoon post on X, the former president’s son amplified a message from Republican vice presidential nominee J.D. Vance. “It’s been 14 days since Kamala Harris became the presumptive nominee of the Democrat Party and she still hasn’t sat for a single interview with the media,” Vance wrote on Sunday. Want more breaking political news? Click for the latest headlines at Raw Story. “Last time the press allowed a Dem to run …