Hanoi, May 8 -- Energy is a core, strategic cooperation area within the Comprehensive Strategic Partnership between Vietnam and Russia, Vietnamese Deputy Prime Minister and Minister of Foreign Affairs Bui Thanh Son told the Russian press. In the interview ahead of the Russia visit by Party General Secretary To Lam, Son said for years, oil and gas cooperation between the two countries has been effectively carried out in accordance with international law, making a positive contribution to peace, stability, cooperation, and development in the region and the world. Russia is currently a major partner of Vietnam in the energy sector, particularly in oil and gas projects, the official said, adding the two joint ventures, Vietsovpetro and Rusvie...