In the 1960s, the CIA tried to train cats to be spies. Yes, you read that right. Declassified in 2001, Operation Acoustic Kitty was a $20 million secret project to implant cats with recording devices, batteries, even an antennae in the tail so they could spy on Soviet leaders. Ethically appalling, the project was cancelled in 1967. But perhaps that's what Dr. Evil's Mr. Bigglesworth was really up to...