you wouldn't confirm that that in fact took place? >> this -- >> what president has ever had to deal with that kind of treatment? >> clearly, congressional republicans are convinced that justice department's investigation is not serious. so efforts like this are designed to keep the pressure on both holder and learner. bret. >> mike, thank you. speaking of keeping the pressure on, senate republicans renewed their call for even an wider probe into the benghazi terror attacks that killed four americans. democrats meanwhile say enough is enough. chief intelligence correspondent kathryn hair raj has tont's