This should be interesting: Tuesday on World News and Nightline...

"ABC News’ Chief Investigative Correspondent Brian Ross will sit down for an exclusive interview with AT&T whistleblower Mark Klein, a former technician who describes secret NSA rooms at AT&T switching centers that he says allows the government to intercept all domestic internet traffic. Speaking publicly for the first time, Klein details how he discovered the secret rooms and the lengths the government has gone to keep his story from the public."