Privacy is not an abstraction. The generations of survivors of tyrannical states came to America reveled in the confidence that a letter posted in the U.S. mail wouldn't be read by the secret police. Are we ready to tell them otherwise?
No story in recent memory contains richer irony or more incongruities than the response of the government and the media to Edward Snowden's revelations about the NSA's wholesale access to our email and phone records.
If federal authorities want to see the data of an American citizen, they should be forced to come through the front door -- and only with a court order based on probable cause, as our Founders intended.