SACRAMENTO . (AP) — Farmers in drought-stricken California with nearly guaranteed rights to water are bracing for historic orders to stop diverting water from rivers and streams. Regulators are expected to announce on Friday whether some farmers can avoid a total cut off if they voluntarily conserve. Some questions and answers about this pivotal development in the state’s drought response: WHY IS THIS HAPPENING? California is in its driest four-year stretch on record.