If PRISM Is Good Policy, Why Stop With Terrorism?

If the justification for PRISM and associated programs is predicated on their potential effectiveness, why shouldn't such logic be applied elsewhere?

Here are several other even more effective public-policy solutions that also violate the Fourth Amendment in similar ways and are just as reprehensible. Child Pornography. Speed Limits. Illegal Downloading.

[Khanna is a Yale Law Visiting Fellow at the Information Society Project.]