There's no guarantee of a report from Durham. Barr even stated this during his interview at the WSJ CEO council on Dec 10. We may just see action.
Good for OAN. First I've heard of this lawsuit. It was originally filed in September. Here's a link to Court Listener for all filings in the case.
https://www.courtlistener.com/docket/16172144/herring-networks-inc-v-maddow/