The White House has declared the controversy around a Signal chat for a military strike that inadvertently included a journalist to be “closed,” but the episode has left some in President Trump’s orbit distrustful of national security adviser Mike Waltz.

President Donald Trump has long argued he is more competent than his political opponents, while they, in turn, contend he is more chaotic, a debate likely to continue as his national security team’s communications in a Signal group chat come under scrutiny.