Inner workings of a top-secret spy program
The National Security Agency’s PRISM progam, which collects intelligence from Microsoft, Google, Yahoo, Apple and other tech giants, is “targeted” at foreigners. But it also collects the e-mail, voice, text and video chats of an unknown number of Americans — “inadvertently,” “incidentally” or deliberately if an American is conversing with a foreign target overseas. Here are new details on how the program works, from top-secret documents and interviews. Read related article.