CHINANDEGA, Nicaragua - The people crammed into the stifling basketball gym. They filled the court, lined the walls and tumbled beyond the doors onto the sun-blistered streets.
They had gathered to hear a promise of justice.
Many had spent their lives toiling on banana plantations that U.S. companies operated in this region some 30 years ago. By day, the workers had harvested bunches of fruit to ship to North American tables. At night, some had sprayed pesticide into the warm, humid air to protect the trees from insects and rot...