Is it illegal for a police detective to infiltrate and investigate activist groups?
Do you want your government to read your emails?
Should the US government have access to all phone calls - all the time - like the British?
I believe this debate will not be heard in mainstream America. The answers will probably be negotiated by House & Senate committees a' la the FISA bill and Patriot Act.
So how do we maintain privacy and freedom while protecting our citizens? We could start by electing a President who can use the internet. And dumping old politicians who take money for votes.