In a photo from 2011, Le Thi Mit feeds her son Lanh, then 26, at their home in Cam Lo , Vietnam. (Paula Bronstein/Getty Images)
CAM LO, Vietnam — When Le Thi Mit is awakened at night by the moans of her 34-year-old son, she thinks back half a century, grappling with the vivid memories of American planes flying overhead to coat her village with toxic chemicals.
Đọt Chuối Non 