I would say that the Pentagon Papers case of 1971 - in which the government tried to block the The New York Times and The Washington Post that they obtained from a secret study of how we got involved in the war in Vietnam - that is probably the most important case.
We've unveiled the most comprehensive reform budget people have seen in a generation.
During my work there I came across some very significant issues that I started reporting in December of 2001 to the mid-level management within the FBI.