Brewster Kahle: What it's like to get a National-Security Letter

Maria Bustillos in The New Yorker: "Brewster Kahle, the founder of the nonprofit Internet Archive, perhaps the greatest of our digital libraries, and of the Wayback Machine, which allows you to browse an archive of the Web that reaches back to 1996" is one of very few people in the US "who can talk about receiving a national-security letter."