In the “Golden Age of Surveillance,” are limits on government data collection really enough to protect privacy? Is mass surveillance inevitable? In the past, there was a “wall” between intelligence agencies and law enforcement. This separation protected Americans from being prosecuted for crimes unrelated to national security with information swept up in intelligence operations. But, in a post-9/11 world, government is increasingly blurring the lines between the NSA and your local police department. Evan is joined by Jake Laperruque, Privacy Fellow at the Constitution Project. They discuss proposed limitations on how government uses data after they’re collected. Is a chain link fence the sensible alternative to a wall? For more, see Jake’s paper.