Karoline Leavitt used her first briefing in the role to warn veteran reporters that they were increasingly irrelevant.

Leavitt spoke briefly with members of the press following a short interview with Fox News. (Photo b "Karoline is smart, tough, and has proven to be a highly effective communicator," Trump said ...

Leavitt spoke briefly with members of the press following a short interview with Fox News. (Photo by Win McNamee/Getty Images) What they're saying "Karoline is smart, tough, and has proven to be a ...