"I view the acting counsel general's referral as a potential effort to intimidate this staff, and I am not taking it lightly," she said.
Sen. Saxby Chambliss of Georgia, the top Republican on the Intelligence Committee, said he disagreed with Feinstein on the dispute, without fully specifying. He called for a study "on what happened so people can find out what the facts are."
"Right now we don't know what the facts are," Chambliss told reporters. "We're going to continue to deal with this internally."
Brennan, who was questioned at an appearance on another subject, said "We are not in any way, shape or form trying to thwart this report."