While perhaps not a nationally significant or unusual deal by itself, U.S. Cellular's renewal this past month of an office lease in Madison, WI, succinctly depicts the current state of leasing. U.S. Cellular agreed to extend its lease with affiliates of Wells Real Estate at the U.S. Cellular Building, a four-story, 102,000-rentable-square-foot office building. The Chicago-based carrier leases 73% of the building and owns a 45% equity interest in...