Hanoi, Feb. 5 -- Party General Secretary To Lam and a high-ranking Vietnamese delegation on February 5 concluded a successful state visit to Laos at the invitation of General Secretary of the Central Committee of the Lao People's Revolutionary Party and President Thongloun Sisoulith. During the visit, General Secretary Lam held talks with General Secretary and President Thongloun Sisoulith; met with Prime Minister Sonexay Siphandone and National Assembly President Saysomphone Phomvihane; and received President of the Lao Front for National Construction Kikeo Khaykhamphithoune. He witnessed the signing and exchange of cooperation documents; briefed the Lao side on the results of the 14th National Congress of the Communist Party of Vietnam;...