Lookin, thank you for the link.
One of the heroes I keep harking back to, Sen. Sam Ervin (not without his feet of clay on some major issues including affirmative action and the ERA, but acting even there on consistent principle and good-faith motive), had this to say in condemnation of the government's penchant for gathering information on its citizens, in clear contravention of the Constitution's aim of securing individual liberty: http://blogs.georgetown.edu/?id=29463