Whatever else WikiLeaks founder Julian Assange has accomplished, he's ended the era of innocent optimism about the Web. As wiki innovator Larry Sanger put it in a message to WikiLeaks, "Speaking as Wikipedia's co-founder, I consider you enemies of the U.S.—not just the government, but the people."

The irony is that WikiLeaks' use of technology to post confidential U.S. government documents will certainly result in a less free flow of information. The outrage is that this is Mr. Assange's express intention.

This...