One exception: the UK has what's still colloquially known as a D-notice [0], which compels the recipient to not publish what they've got. The US doesn't have a

One exception: the UK has what's still colloquially known as a D-notice [0], which compels the recipient to not publish what they've got. The US doesn't have a direct equivalent. [0] https://www.theguardian.com/media/2015/jul/31/d-notice-system-state-media-press-freedom https://www.theguardian.com/media/2015/jul/31/d-notice-syste...