The country's top finance official, Anton Siluanov, said the government must be prepared for prices to fall further in 2016 as the global glut grows and new supply -- for example from Iran -- enters the market. "Everything indicates that low oil prices are likely to dominate next year. And it is possible that at some periods [the oil price] will be $30 per barrel," Siluanov was quoted as saying by Russian state-run news agencies. That would spell more pain for Russia. Oil and gas exports make up almost half of government revenue. Oil futures were trading at their lowest...