This is illegal right? Can we use the CFAA against them? Give them a taste of their own medicine for once.
I think mtgx has got the right idea. Challenging the government in the courts, even if ultimately unsuccessful, sends a much more powerful message than the censures that have, time and time again, caused no change. Surely there are some lawyers browsing this site who can evaluate mtgx's idea.
Campaign for increased privacy. Give solid, concrete examples of how the USG needs definite barriers after tearing the ones constructed during the inception of the Constitution. Spread the word, organize rallies, and do whatever you can.
Don't stick your nose in the sand and complain about apathy.
http://en.wikipedia.org/wiki/Fruit_of_the_poisonous_tree
Can some lawyer/knowledgeable individual elaborate?