Secretary of State Marco Rubio was far less chatty than other officials in the controversial Signal discussion on U.S. airstrikes in Yemen.

This thing was set up for purposes of coordinating how everyone was going to call. You know, when these things happen, I need to call foreign ministers, especially of our close allies. We need to notify members of Congress.

Secretary of State Marco Rubio flatly admitted Wednesday that “someone made a big mistake” when a journalist was added to the encrypted Signal chat about bomb plans in Yemen earlier this month. President Donald Trump himself has insisted it was “no big thing.