VIRGO Salosa time and again reminded his colleagues repeatedly, not to resort to violence, rioting or vandalism. On Monday two weeks ago, he walked back and forth in front of long lines of some 1,000 protesters. Most of them were workers at the Grasberg mine, where some of the largest reserves of gold and copper in the world are found. They brought their families along with them to protest. As the coordinator of the massive demonstration, his chi