An attorney general who exerted more control over the department and the bureau, who was a better head-knocker, and who had the full support of the White House might have dragged the truth out of the FBI years ago, as Reno did not and could not.
Reno did not have the full support of the White House.
mnli hypothesis: Reno did not have the full support of the White House. premise: An attorney general who exerted more control over the department and the bureau, who was a better head-knocker, and who had the full support of the White House might have dragged the truth out of the FBI years ago, as Reno did not and could not.