Bannon’s counsel conferred with the White House after the committee issued a subpoena, Schiff said, “and was instructed by the White House to refuse again to answer any questions concerning the time during the transition and his time in the administration.”

“The scope of this assertion of privilege—if that’s what it is—is breathtaking,” Schiff said. “It goes well beyond anything we’ve seen in this investigation … This was effectively a gag order by the White House.”