First Amendment ruling as to speech against the government was an insufficient change in existing law to justify relief from judgment enforcing a contempt adjudication on secondary picketing under the Act, as alternate mechanisms of speech such as leaflets are still available, and the Act is content-neutral.
Concur: Not ripe, as only a vague desire to picket, and no indication of enforcement plans by management.
http://cdn.ca9.uscourts.gov/datastore/opinions/2018/06/08/88-07283.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.