Donald Trump supporters booed a reporter Monday after she asked Republican vice presidential nominee J.D. Vance about his position on abortion. At an event in Philadelphia, Vance took a question from local NBC reporter Rosemary Connors. “Sen. Vance, what’s your message to Pennsylvania voters on abortion?” Connors asked. “Has your opinion changed? Do you think there should be a national ban, or should it be left up to the states?” Want more breaking political news? Click for the latest headlines at Raw Story. The crowd responded with boos and jeers. “It’s okay,” Vance said to calm the audience….