If you logged on to Al-Jazeera late last week, you were in for quite a surprise. An American group hacked the Arab world's most popular news channel website, diverting all log-ons to a picture of an American flag with the words "Let Freedom Ring" on the bottom. These hackers were able to impersonate Al- Jazeera employees in order to gain temporary control of the network's Arab and English web sites. After that, they redirected all users who logged onto the page to their own site. The group "Freedom Cyber Force Militia" has claimed responsibility for the hacking, which was corrected...