Why the FBI went public with its objection to the Nunes memo release

https://www.pbs.org/newshour/show/why-the-fbi-went-public-with-its-objection-to-the-nunes-memo-release?utm_source=frontline&utm_term=social&utm_source=FBPAGE&utm_medium=social&utm_term=20180201&utm_content=1315607775&linkId=47647830