catch mueller to exert pressure being day after interview with staffers. if another comment, matt whitaker tweeted in response to this npr headline, those depending on robert mueller to shake up the trump presidency may be in for disappointment, stating the article is correct. it will be very difficult to ever see evidence discovered by mueller grand jury investigation. matt whitaker also shared an opinion piece. note to trump s lawyer, do not cooperate with mueller lynch mob, adding, worth a read. responding to the breaking news of trump firing attorney general jeff sessions. sunlen serfaty is on the hill. what are you hearing? reporter: certainly, jake, specifically, a lot of concern about acting ag, matt whitaker. a lot of those words you read, the top senate democrat, top house democrat, calling for matt whitaker to recuse himself in the russia investigation and across the board, a lot of top democrats expressing concern about what this means for the