Hanoi, Aug. 5 -- President of the National Assembly and Speaker of the House of Representatives of Thailand Sophon Zaram arrived in Hanoi on August 5 morning, beginning his three-day official visit to Vietnam at the invitation of National Assembly Chairman Tran Thanh Man. Welcoming the Thai leader and his entourage at Noi Bai International Airport were Vietnamese NA Vice Chairman Nguyen Doan Anh and Standing Vice Chairman of the NA's Committee for National Defence, Security and Foreign Affairs Vu Hai Ha. The visiting delegation includes Thai Ambassador to Vietnam Urawadee Sriphiromya, members of the House of Representatives, senior parliamentary officials and advisers. The visit carries special significance as it coincides with the 50th a...