One of the most important — and overlooked — technological developments of the last five-odd years is the ease with which anyone can record police doing their jobs and throw the video on YouTube. The technology can be a great deterrent against police misconduct. So it’s really, seriously disturbing when police try to intimidate witnesses into turning off their cellphone cameras. It’s even more nauseating when someone gets arrested for simply filming police activity. Luckily, a recent decision from First Circuit unambiguously told police to cut it out….