Cabinet ministers and police officers arrived in the eastern Amazon region of Brazil yesterday to investigate the fatal shooting of a missionary nun compared to the 1988 murder of the rainforest activist Chico Mendes. Dorothy Stang, 74, a sister in the Order of Notre Dame de Namur and defender of the rainforest and local people persecuted by illegal loggers and landowners, was shot three times on Saturday near Anapu, a rural town about 1,300 miles north of Sao Paulo. She had defied frequent threats to her life, and recently met the minister for human rights, Nilmario Miranda, to report that...