It's hardly the first time that's happened with classified information about a war. Most famously, in 1971, The New York Times published what came to be known as The Pentagon Papers, classified documents about the Vietnam War that were embarrassing for multiple administrations.

But on the Washington Post blog SpyTalk, Aftergood recently noted what Wikileaks does is different. Citing examples of how Wikileaks "tramples on the privacy of non-governmental, non-corporate groups for no valid public policy reason," Aftergood said such practice is "not whistle-blowing and it is not journalism...it is a kind of information vandalism."

So, what makes what the Times did in 1971 an act of journalism, and what Wikileaks sometimes does an act of vandalism? When do we cross a line from what should and shouldn't be protected speech, in the interest of privacy or security? And, when does government stray too far and classify too much information, in the interests of national security?

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