Last month, the U.S. Postal Service announced that it had come to agreement with Novare Group -- the developer of 360 -- to sell the current downtown post office site and to relocate the post office in early 2013. Novare is looking at building a new high-rise development on the current low-rise site.Now, the U.S. Postal Service has confirmed the they will close the site next year and that they do not plan to open another downtown site. Once the site closes, downtown post office . . .