Opinion, by Alfonso Stefanini
RIO DE JANEIRO, BRAZIL - The first time I went to the Gramacho landfill, about three years ago, I was dumfounded by the size of the 1.3 million square meter area that hugs the Guanabara Bay. It was like going to the end of the world scenario, a cemetery if you will, where every piece of material residue seemed to give its final breath. There is a little bit of every person that lives in Rio in . . .