DAVID MARCUS: Karoline Leavitt’s lasting legacy is opening the White House to indie press

At the end of the month, White House press secretary Karoline Leavitt will end a tenure that many consider to be one of the best in the 97-year history of the office. Importantly, she will leave something behind — a vital legacy of opening the briefing room to independent media. Leavitt handled her office with grace and dexterity, no mean feat for someone communicating for President Donald Trump , who talks more than a morning radio disc jockey. Somehow, she was never in front of his messaging,