It is strange that the same country which cherishes its 'right to bear arms' on the grounds that it gives them a level of protection that the government is unable to provide is 'happy' to build the infrastructure which allows the same government to peek into their lives. On the one hand, we don't trust the government with the basics (physical security). On the other, we trust them with information we don't want our p…
A "CALEA 3", key escrow requirement, ban on the Internet, etc would cross my red line. Banning all guns would, too, although unclear exactly where the line is (a total handgun ban probably wouldn't be enough). Obviously legal and political challenges first.