Brennan's comment appears unintentionally to have helped lead to disclosure of the secret at the heart of a joint U.S.-British-Saudi undercover counter-terrorism operation.
It simply guarantees that one's participation in a survey will not be disclosed, nor will the participation lead to disclosure of any specifics that one has contributed to the survey.
If a bill is not approved, plaintiffs will be able to proceed with broad-reaching discovery requests, which could lead to disclosure of information that would provide the basis for more extensive lawsuits.
"Litigating the details of those statements could be very embarrassing and might lead to disclosure in litigation of information that Trump would prefer not to disclose," said Rip Verkerke, the director of employment and labor law studies at University of Virginia Law School.
It can also lead to disclosure of information by the participants which may require follow-up action by the research team.
We were also not able to consider the reason for attending the GP which may have affected the results: consultations for mental health are more likely to lead to disclosure of psychological distress than those for a somatic reason.
