Artist's rendering of the Eye of Sauron atop Salesforce Tower       Two days ago I was surfing the web when an interesting petition came up from Change.org. “Turn Salesforce Tower into the Eye of Sauron on Halloween Night!” it said. The Salesforce tower is the largest tower in San Francisco. According to Wikipedia, “The crown of the tower features a nine-story electronic sculpture...that features low resolution, abstract videos of San Francisco that will be filmed each day.” The petition included a picture imagining how the tower would look if the Eye of Sauron was featured as the exhibit on Halloween night.       I was happy to sign. Imagine, Salesforce Tower would be Barad-Dur and the whole city of San Francisco Mordor for Halloween. At the time they had about 10,000 out of 15,000 signatures. Researching the subject online, I found that the chances of them succeeding were quite slim. Although I am unable to find the article now, I found out that the owners of the