What would you do if, in the course of your work, you saw a document indicating that the US National Security Agency was putting pressure on your government to perform illegal acts of surveillance of other nations?
Katharine Gun, a translator at the British intelligence agency GCHQ, chose to let everyone know what was going on. She was then sacked, arrested and charged under the Official Secrets Act, facing 2 years in prison. Yesterday, she was cleared. All details here.