14 Oct 2013, Rio de Janeiro, Brazil — The journalist Glenn Greenwald, a columnist for the British newspaper The Guardian, talks about secrets and surveillance of the Brazilian government during his presentation at the International Congress of Investigative Journalism at PUC in Rio de Janeiro, southeastern Brazil, on October 14, 2013. Photo: FABIO MOTTA/ESTADAO CONTEUDO. — Image by © FABIO MOTTA/dpa/Corbis