The project of making planes secure from terrorist attacks is an inescapable nonsense: nonsense because there's no way to screen millions of people to prevent a few dedicated ones from bringing down a plane (no, really); inescapable because no lawmaker or policymaker will ever have the courage to remove a measure that has previously been described as "essential for fighting terrorism" even if it was only ever security theater intended to assuage low-information voters. Read the rest

In 2010, the UK spy agency MI5 drafted memos informing top UK officials that its dragnet surveillance programme was gathering more information than it could make sense of, and warning that its indiscriminate approach to surveillance could put Britons at risk when signals about dangerous terror attacks were swamped by the noise of meaningless blips from the general population. Read the rest