Reuters has an interesting piece looking at how many experts are concerned that mass surveillance efforts by the federal government are making a mockery of the 4th Amendment. The focus of the article is on the scan of all Yahoo email that was revealed back in October, but it certainly touches on other programs as well. The concern is easily summarized by Orin Kerr: "A lot of it is unrecognizable from a Fourth Amendment perspective," said Orin Kerr, a former federal prosecutor and Georgetown University Law School expert on surveillance. "It's not where the traditional Fourth Amendment law is." But,...