At the heart of the First Amendment is the recognition of the fundamental importance of the free flow of ideas and opinions on matters of public interest and concern. “[T]he freedom to speak one’s mind is not only an aspect of individual liberty — and thus a good unto itself — but also is essential to the common quest for truth and the vitality of society as a whole.” – Hustler Magazine, Inc. v. Falwell, 485 U.S. 46, 50-51 (1988)....

In December, I was a panelist at this event at the American Enterprise Institute. You can read the transcript here, or watch it on video here. In my remarks, I tried to put the censorship of South Korea’s left and right into that country’s recent historical context, noting the signs that left-wing leaders who emerged from a nominally pro-democracy movement were now engaging in a strategic and systematic campaign to silence defectors, vloggers, and political critics through internet censorship and...