Despite hours of interviews, extensive and repeated document requests, a review of open-source information, and an open hearing with witnesses from both companies, the Committee remains unsatisfied with the level of cooperation and candor provided by each company.

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It would effectively prevent the federal government from compelling anyone "engaging in journalism" to give testimony or produce any document revealing that journalist's source, if the source gave the information under cover of confidentiality.

CENTERFORSECURITYPOLICY: The Leaker Shield Act

One Bhutto source said the document was compiled at her request and said the information came from sources inside the police and intelligence services.

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At the moment, if a source inside a large organisation sends me a document with some interesting information, if I can read that document then I can also read it tomorrow.

BBC: Pencil and paper

But Monday's post on document-sharing site Pastebin refers readers to a Twitter feed considered a reliable source of Anonymous information.

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