In the Pentagon Papers case the government asserted in the Supreme Court that the publication of the material was a threat to national security. It turned out it was not a threat to U.S. security. But even if it had been that doesn't mean that it couldn't be published.
Above all we should not forget that government is an evil a usurpation upon the private judgement and individual conscience of mankind.
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A graduation ceremony is an event where the commencement speaker tells thousands of students dressed in identical caps and gowns that 'individuality' is the key to success.