Due largely to unauthorized leaks, we now know that the National Security Agency has seized from private companies voluminous data on the phone and Internet usage of all U.S. citizens. We've also learned that the United States Foreign Intelligence Surveillance Court has approved the constitutionality of these seizures in secret proceedings in which only the government appears, and in opinions kept secret even from the private companies from whom the data are seized.

If this weren't disturbing enough, the Consumer Financial...