Colo., told Morning Edition that "the risk of casualties goes up tremendously" if adversaries learn of military operations.
Rep. Seth Moulton has criticized the Trump administration for its response to the use of Signal by high-level officials to ...
White House adviser Mike Waltz accidentally added a journalist from The Atlantic to a message about war plans in Yemen.
The revelation that top U.S. national security officials used Signal to discuss classified battle plans against the Houthis emerged because Atlantic Magazine journalist Jeffrey Goldberg was ...