In advance of last Saturday’s announcement that Tokyo will host the 2020 Summer Olympic Games, public policy professor John Rennie Short offered a fresh take on how to make the games more sustainable: keep them in the same place. Short suggested to writer Nate Berg, in an article for The Atlantic Cities, that instead of asking cities to invest billions of dollars in new Olympic venues the OIC should create a single site that would function more or less as an international city-state, overseen by the United Nations, to host the Olympics and its training in perpetuity. “There would be maybe …