Chavez challenger urges fair Venezuelan vote /Rival de Chávez exige elecciones limpias

President Hugo Chavez's rival in Sunday's election urged Venezuela's electoral authority to "play fair," a week after he warned of possible vote fraud ( full information)/ El rival del presidente Hugo Chavez en la elección del domingo demandó a la autoridad electoral de Venezuela "elecciones limpias," una semana después de que advirtiera sobre un posible fraude electoral