ONE day a Bolivian who was catching raindrops was suddenly approached by an official of Bechtel, a company often engaged in water-related projects with headquarters in the United States. He was asked to pay compensation for the water he was taking from the company. The story that was told by Oscar Oliviera, an activist from a Bolivian NGO, is not a joke. It was the result of the water privatization and commercialization policy in that country sin