Centurion Risk Assessment Services is a British company offering 'hostile environment courses' for journalists and aid workers headed for politically unstable regions. Conducted by former British marine and army officers at a training camp one hour from London, the courses aim to help people work with confidence in difficult environments, with a greater degree of safety. According to the press-freedom organisation Reporters Without Borders, 32 journalists died in the line of work last year. Now, with hundreds of print and television reporters being deployed to cover the war against terrorism, employers...