Some of the coal imported for PG&E Corp.'s Salem Harbor Station power plant comes from a giant mine in Colombia, which is accused of growing by bullying, cheating and sickening villagers into leaving homes that sit on massive, untapped reserves of coal...While the Colombian activists decried abuses of human rights at the hands of their government and the owners of the Cerrejon Zona Norta mine, they also carefully refrained from calling on PG&E to stop buying its coal.