Hanoi, Sept. 6 -- General Secretary of the Communist Party of Vietnam's Central Committee and President To Lam and his spouse, together with a high-ranking Vietnamese delegation, will pay a state visit to Russia next week, the first of its kind by Vietnam's Party and State leader since 1991. Made at the invitation of Russian President Vladimir Putin and coming immediately after Vietnam successfully held the 14th National Party Congress and elected deputies to the 16th National Assembly, the visit marks a new milestone and is expected to provide strong momentum for bilateral relations across all fields. More than seven decades of close, enduring Vietnam-Russia ties Vietnam and the former Soviet Union, now Russia, established diplomatic rel...