Indeed, even Sen. Wyden says as much: “Our intelligence agencies need the authority to target the communications of foreigners, but for government agencies to d

Indeed, even Sen. Wyden says as much: “Our intelligence agencies need the authority to target the communications of foreigners, but for government agencies to deliberately read the e-mails or listen to the phone calls of individual Americans, the Constitution requires a warrant.” However such behavior is at least consistent with traditional American 'protections' on foreign traffic. Even before there was an NSA, there was a government office reading Western Union telegrams being transmitted internationally. This behavior is even consistent with the behavior of even Germany, which has a similar concept of foreign surveillance vs. domestic.