Take any point R on the directrix, and draw the lines RAM, RSN; draw SL so that the angle LSN =angle NSA'.
Any thoughts on NSA (the National Security Administration, whose domestic eavesdropping program has provoked a political firestorm )?
Congressional investigations in the 1970s disclosed widespread NSA abuses, including the illegal interception of millions of cables sent by American citizens.
Court rules NSA wiretapping program unconstitutional, orders halt Bird flu panic.
Ironically, the congressman was murdered because he was n't going to vote for a bill to give the NSA even broader snooping powers.