Although Trump decided not to fire his national security adviser over the Signal group chat, Waltz’s position is tenuous, officials say.

President Trump has decided for now not to fire his national security adviser over the revelation that he included a journalist on a group text chat to discuss and execute a military strike, but the damage to Mike Waltz’s reputation has put him on shaky ground in the White House,

U.S. President Donald Trump's national security adviser has never used his personal email account to send classified material, the White House said, following a report that Mike Waltz and other National Security Council members used Gmail for government work.