Hanoi, Sept. 19 -- General Secretary of the Communist Party of Vietnam Central Committee and President To Lam has sent a letter to Vietnamese children at home and abroad, as well as foreign children living in Vietnam, expressing his best wishes to them on the occasion of the mid-Autumn festival which falls on September 25. In his September 19 letter, he extended his warmest wishes and affection to Vietnamese children at home and abroad, as well as foreign children living in Vietnam, expressing his hope that each Mid-Autumn Festival would leave them with beautiful and lasting memories. In his letter, he extended his warmest wishes and affection to Vietnamese children at home and abroad, as well as foreign children living in Vietnam, expres...