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.
“My vision for Kentucky is a Commonwealth where there is so much economic opportunity, and our quality of life is so high, that people who are born here can stay here, and people who aren't fortunate enough to be born in Kentucky, can look forward to locating here.”