Made any overseas phone calls or emails lately? Ever said anything unpleasant about the Bush Administration? Might you have employed dangerous words or phrases like "Second Amendment," "CIA," "drycleaning," "ashes," "baseball," or "oyster stew"?
You might belong to the ranks of the great overheard. Hop over to People for the American Way, file a FOIA request, and find out. It's your right.