If I keep responding to your posts, you might think I'm picking on you. I might too, but trust me, I'm not.

With this comment, you seem to have forgotten that there was plenty of nefarious spying targetting not criminals, but those who were politically opposed to the then-current adminstrations.

Clinton was accused of this, as was Nixon. It may have been true in both instances. This is exactly why this erosion of liberties is so important. You do have something to hide.