Originally Posted By: Matter-eater Man
And who were they making those requests to[?]


Not to courts. The "requests" are made to the entity from which the FBI seeks information:
  • A national security letter (NSL) is a form of administrative subpoena used by the United States Federal Bureau of Investigation and reportedly by other U.S. government agencies including the Central Intelligence Agency and the Department of Defense. They require no probable cause or judicial oversight. An NSL is a demand letter issued to a particular entity or organization to turn over various record and data pertaining to individuals


So, now that I have corrected your misunderstandings as to: (a) the precedence of the constitution over statutes; (b) the legal process involved in NSLRs; are you ready to discuss why what you claimed was unconstitutional under Bush is now constitutional under Obama?