GURI, Venezuela (Reuters) – Drought has turned parts of the area behind Venezuela’s Guri dam, one of the world’s biggest, into a desert, but the government is optimistic of rain within weeks to drive the vast installation that provides the bulk of the OPEC nation’s power. On a tour of the hydroelectric complex on the Caroni river, Electricity Minister Luis Motta told Reuters that forecasts showed a 70 to 80 percent chance of rain toward the […]