While some cheer the mission of the WikiLeaks website and the secret material it has disclosed, the site continues to rankle U.S. government officials who say it poses threats to national security, lives and diplomatic matters.

In the wake of the WikiLeaks whistle-blower website releasing thousands of documents detailing Afghan war operations, Jeffrey Brown discusses the military significance with Steve Coll, president of the New America Foundation, and documentary filmmaker Philip Smucker, who have both written…