Guardian: On Wednesday, in the Brazilian state of Pará, the trial begins of three men accused of murdering José Cláudio Ribeiro da Silva and his wife Maria do Espirito Santo, who had campaigned against loggers and ranchers for years. Their assassinations in May 2011 generated international outrage, just like that of Chico Mendes, 25 years ago, and that of the American-born nun Dorothy Stang in 2005.
"This trial exposes the problems and challenges in the Amazon today," says the Brazilian political ecologist...