Last week, a branch of the Anonymous hackers' collective known as Antisec took took over the Boston Police Department's website, replacing the home page with a screed protesting against the eviction of Occupy protesters, and a video of American rapper KRS-One performing his song "Sound of Da Police." Regaining control of the website took almost a week, enough time for police to devise a deft antidote to hacking: droll, deadpan humor. This is one cop shop that doesn't look flatfooted....