The City of Cape Town is planning to build tower blocks of up to 14 stories in a bid to beat its massive housing shortage.  City housing director Hans Smit said the buildings would be grouped in a "town" around facilities such as shops, community centres, schools and recreation facilities.  "The idea of very high density towns hasn't been tested in this country," he said at a media briefing in Cape Town.  "A lot of people say it won't work...more