The Senate Intelligence Committee vice chairman, Democratic Sen. Mark Warner, pressed Director of National Intelligence Tulsi Gabbard and CIA Director John Ratcliffe on their involvement in a Signal group chat with top Trump officials about military operations against Houthi rebels in Yemen. The exchange occurred during a hearing on global threats to the U.S. Details about the text thread were made public by The Atlantic's editor-in-chief after he was apparently mistakenly added to that chat.