In the last seven years in Brazil, 46 millions of poor people have become middle class and it is expected that 19 millions more can also improve their purchasing power by 2014. Banco Santander is the third private bank in Brazil, following Itaú and Bradesco, and the first opening a branch in a ‘favela’, Alemao, the most dangerous in Rio de Janerio. The daily Expansión had the scoop: “The opening…