<p>Members of Congress have been repeatedly thwarted when attempting to learn basic information about the National Security Agency (NSA) and the secret FISA court which authorizes its activities, documents provided by two House members demonstrate.</p>
<p>From the beginning of the NSA controversy, the agency's defenders have insisted that Congress is aware of the disclosed programs and exercises robust supervision over them. "These programs are subject to congressional oversight and congressional reauthorization and congressional debate," President Obama said the day after the first story on NSA bulk collection of phone records was published in this space. "And if there are members of Congress who feel differently, then they should speak up."</p>