ANCOTANGA — The day Herminda Mamani found out that the president of Bolivia would visit Ancotanga to inaugurate the largest solar energy plant in Bolivia, she remembers feeling proud and happy. Three years earlier, with the construction of the project, the hope of development had been spreading around her town, which is located nearby in the municipality of Caracollo, 200 kilometers southeast of the capital La Paz. Those days were of joy, but now she feels like she is losing faith. For the latest news & views from every corner of the world, Worldcrunch Today is the only truly international new…