Wikipedia to file lawsuit challenging mass surveillance by NSA

(Reuters) - Wikimedia Foundation, the nonprofit organization that runs free online encyclopedia Wikipedia, will file a lawsuit against the National Security Agency and the U.S. Department of Justice, challenging the government's mass surveillance programme. The lawsuit, to be filed on Tuesday, alleges that the NSA's mass surveillance of Internet traffic in the United States — often called Upstream surveillance — violates the U.S. Constitution's First Amendment, which protects