The letter, which is dated January 23, said some of the information was classified at the “top secret” level, meaning it “reasonably could be expected to cause exceptionally grave harm to the national security.”
“The manuscript may not be published or otherwise disclosed without the deletion of this classified information,” the letter read.
The White House had no comment. Neither Bolton nor a spokesman for the publisher, Simon & Schuster, responded to a request for comment.
Later Wednesday, Bolton’s attorney Charles Cooper released a follow-up letter that he sent to the National Security Council about the manuscript.
“As you are no doubt aware, the House Managers in the Senate impeachment trial have made clear their intention to seek Ambassador Bolton’s testimony at trial, and although no one yet knows whether the Senate will subpoena him to testify, he is preparing for that possibility,” Cooper wrote in a Friday email to