People watch a television broadcasting Japan's Emperor Akihito's televised address to the nation at an electronics retail store in Tokyo. (Issei Kato/Courtesy Reuters) [Click here for information …

Brandon Valeriano is a reader at Cardiff University and a fellow at the Niskanen Center, Heather Roff is a research scientist at the Global Security Initiative at Arizona State University, and Sean L…

Kenneth Cukier and Viktor Mayer-Schonberger, authors of the new book Big Data: A Revolution That Will Transform How We Live, Work, and Think, published last month, answered several questions on big d…

“Presidential Policy Directive/PPD-28: Signals Intelligence Activities,” White House, January 17, 2014. When the United States collects nonpublicly available signals intelligence in bulk, it shall u…

Mitt Romney shakes hands after speaking to an audience at the Conservative Political Action Conference meeting in Washington on February 11, 2011. (Larry Downing/courtesy Reuters) The United States …