Synopsis: \t\t\t\t\t\t\t \t\t\t\t\t\t\xa0\xa0\xa0 This week Mark and Shawn are joined by Steven Campbell, the Director of Information Technology for the International School of Kabul, Afghanistan for our sixth installment of the Listener Spotlight. \t\t\t\t\t\t\t \t\t\t\t\t \t\t\t\t \t\t\t\t \t\t\t\t\tTIPS: \t\t\t\t\t\t \t\t\t\t\t\xa0 Tech Tip of the Week: Great article from The How-to Geek on locking down Ubuntu installations \t\t\t\t\t\t \t\t\t\t\t\xa0 Teacher Tip of the Week: dotsub.com - Online video hosting with language transcription options.