Tổng thống Pháp kêu gọi Việt Nam thả một số tù nhân chính trị

France's President Francois Hollande, left, and his Vietnamese counterpart Tran Dai Quang shake hands as they pose for media at the Presidential Palace in Hanoi, Vietnam, Tuesday, Sept. 6, 2016. Hollande is on an official visit to Vietnam from Sept. 5-7. (Luong Thai Linh/Pool Photo via AP)