Just one month ago, Houstonist asked the question: "Where's the free wi-fi?" We finally have our answer. On August 19th, the city of Houston announced that they'd created a large cluster of free wi-fi locations throughout the dowtown area, both in an effort to provide the free wireless access that has been long-promised by Mayor White's administration and to promote the continuing revitalization of downtown as a destination to work, live and play. They've even......