.@JulianAssange speaks on Trump’s CIA director threat to “end” @Wikileaks https://t.co/xdQ5eOGh14 — WikiLeaks (@wikileaks) April 19, 2017 CBS News has learned that a manhunt is underway for a traitor inside the Central Intelligence Agency. The CIA and FBI are conducting a joint investigation into one of the worst security breaches in CIA history, which exposed thousands of top-secret documents that described CIA tools used to penetrate smartphones, smart televisions and computer systems. Sources familiar with the investigation say it is looking for an insider -- either a CIA employee or contractor -- who had physical access to the material. The agency has not said publicly when the material was taken or how it was stolen. Much of the material was classified and stored in a highly secure section…