The iconic Sears Tower in Chicago will soon have a new name. Willis Holding Group, a London based insurance holding group has leased 150,000 square feet, and the building will be renamed Willis Tower. Synonymous with Chicago since it was finished in 1973, the Sears....er Willis Tower has 110 floors. Sear's naming rights expired a few years ago, and the company is no longer headquartered in the Tower, but in Hoffman Estates, IL. I Wonder if the residents of Chicago care about the change? It's not like they are changing the name of the Chicago Cubs to the Chicago Sails!