Recently I was watching CBS news and heard that the Chevron oil refinery fire was caused by computer hackers who got a hold of the website address and programmed the computer to cause the whole oil refinery to explode. But that was not all I heard. According to the news, they found out Iran is planning a Pearl Harbor war on all Cypress websites and at oil refineries, power companies, everything nationwide. Decades ago, banks had PINs (security codes) on all bank accounts, and that has proven to be very successful. My ideas are to do the same to all …