"In short: The editor-in-chief of The Atlantic magazine says he was sent confidential plans for a military operation after being added to a group chat that appeared to include top Trump administration officials.
"Jeffrey Goldberg says he was added to the chat, on the Signal app, by an account under the name of Michael Waltz, the Trump aide who leads the National Security Council. What's next?
"The National Security Council says it's investigating how 'an inadvertent number was added to the chain'."
[Note: I watch PBS Washington Week with the Atlantic every Sunday, usually hosted by Jeffrey Goldberg. Very impressive analytical commentary from Jeffrey and a variety of journalists.]