By Alan Heil (This post originally appeared at The Public Diplomacy Council.) For well more than a decade, Korea experts who specialize in international media have been examining the impact of foreign broadcasts and DVDs on users in North Korea. They have done so through a combination of in-country surveys and debriefings of defectors from North Korea, refugees and travelers abroad. In annual reports, Freedom House and Reporters Without Borders invariably have ranked that country as having the “least free” media in the world. Yet the curtain of near total silence appears to be opening as never before in North Korea.