U.S. Magistrate Judge Gabriel Gorenstein explained that Musk's Quinn Emanuel Urquhart & Sullivan legal team can't assert the advice-of-counsel defense while also refusing to hand over information on the legal advice given to Musk when he began buying Twitter Inc. stock.

"ACS must meet the moment—standing up for the rule of law, defending our freedoms, and calling out efforts to subvert our constitutional order," said Phil Brest, who starts as president in January.