By Jack Shafer
The views expressed are his own.

What were the London police thinking when they invoked the Official Secrets Act last week to compel Guardian reporters Amelia Hill and Nick Davies to disclose the confidential source for their July 4 Milly Dowler phone-hacking story? Did they think the Guardian would roll over when they arrived in court on Friday to contest the order? That Hill and Davies would submit? That free-speech advocates, members of Parliament, and journalists around the world would pay no mind to the prosecutorial over-reach?