does"break it to him" mean "she won't tell the new to Robert,"or "she didn't believe the news?"
On the fifth floor of the Justice Department Building at Ninth Street and Pennsylvania Avenue, J. Edgar Hoover had picked up his direct line to the Attorney General's office. It was answered by Angie Novello, who was staring across a desk at a frayed UPI page held aloft by a weeping press office secretary.
"This is J. Edgar Hoover." His delivery, as always, was staccato, shrill, mechanical. "Have you heard the news?"
"Yes, Mr. Hoover, but I'm not going to break it to him."
"The President has been shot. I’ll call him."