Ministers have resorted on two occasions to deploying their veto, which overrides all independent decisions on the release of information, to stop disclosures.
Women in our study were sent the questionnaires by post, and if the perpetrator of the unwanted sexual relations was their present partner, fear of retribution resulting from the partner reading their responses may well have stopped disclosure.
But there was no concerted campaign, no unified push to stop these disclosure offences succeeding.
"Some of the returns for young venture partnerships look very, very bad, but they might not turn out to be so bad," Mr. Bardt said, echoing concerns of venture capitalists, including some who he said threatened legal action to stop the disclosure.
He insists that Sun wanted only to stop the disclosure of secrets about its products, not gag them: "In retrospect, I would not do it again".
The problems don't stop at disclosure.
The Bush and Obama Administrations have both invoked State Secrets to stop the disclosure of evidence that may reveal government misconduct.
After a British judge ruled that the plaintiff, Binyam Mohammed, should be given access to C.I.A. intelligence documents that the agency shared with British authorities, the Obama Administration surprised liberals by pressuring the British government to stop the disclosures.
Clarence House denied tonight that the prince's household had lobbied the government to stop all disclosures of his letters and defended his right to secrecy, saying his role as a privy counsellor gave him the right to communicate confidentially with ministers on matters that concern him.
But Congress recently found that the NSA has not done enough to stop such disclosures.
