Cambodian students in former Khmer Rouge stronghold

Youk Chhang, left, director of the Documentation Center of Cambodia which published 'A History of Democratic Kampuchea', introduces Im Chaem, right, 67-year-old former Khmer Rouge provincial secretary, during delivery of the textbook to students in Anlong Veng, in Uddor Mean Chey province, about 300 kilometers (185 miles) north of Phnom Penh, Cambodia, Monday, June 21, 2010. Cambodian students in the former Khmer Rouge stronghold were issued the textbook Monday that for the first time teaches the atrocities of the past, a little more than a decade after government forces captured the movement's last bastion.(AP Photo/Heng Sinith)

Im Chaem, right, 67-year-old former Khmer Rouge provincial secretary, reacts as she witnesses delivery of copies of 'A History of Democratic Kampuchea' to students in Anlong Veng, in Uddor Mean Chey province, about 300 kilometers (185 miles) north of Phnom Penh, Cambodia, Monday, June 21, 2010. Cambodian students in the former Khmer Rouge stronghold were issued the textbook Monday that for the first time teaches the atrocities of the past, a little more than a decade after government forces captured the movement's last bastion.(AP Photo/Heng Sinith)

A Cambodian student reads a newly-delivered copy of 'A History of Democratic Kampuchea' in Anlong Veng, in Uddor Mean Chey province, about 300 kilometers (185 miles) north of Phnom Penh, Cambodia, Monday, June 21, 2010. Cambodian students in the former Khmer Rouge stronghold were issued the textbook Monday that for the first time teaches the atrocities of the past, a little more than a decade after government forces captured the movement's last bastion. (AP Photo/Heng Sinith)

Cambodian students read a newly-delivered copy of 'A History of Democratic Kampuchea' in Anlong Veng, in Uddor Mean Chey province, about 300 kilometers (185 miles) north of Phnom Penh, Cambodia, Monday, June 21, 2010. Cambodian students in the former Khmer Rouge stronghold were issued the textbook Monday that for the first time teaches the atrocities of the past, a little more than a decade after government forces captured the movement's last bastion. (AP Photo/Heng Sinith)

Kamboly dy, left, a staff at Documentation Center of Cambodia, helps a student read his book 'A History of Democratic Kampuchea' in Anlong Veng, in Uddor Mean Chey province, about 300 kilometers (185 miles) north of Phnom Penh, Cambodia, Monday, June 21, 2010. Cambodian students in the former Khmer Rouge stronghold were issued the textbook Monday that for the first time teaches the atrocities of the past, a little more than a decade after government forces captured the movement's last bastion. (AP Photo/Heng Sinith)

A Cambodian child stands behind a portrait of Ien Sary, Khmer Rouge's former foreign minister, in a page of a copy of 'A History of Democratic Kampuchea' held by a villager during its delivery to students in Anlong Veng, in Uddor Mean Chey province, about 300 kilometers (185 miles) north of Phnom Penh, Cambodia, Monday, June 21, 2010. Cambodian students in the former Khmer Rouge stronghold were issued the textbook Monday that for the first time teaches the atrocities of the past, a little more than a decade after government forces captured the movement's last bastion. (AP Photo/Heng Sinith)

Andrew Cayley, British co-prosecutor to the U.N.-backed Khmer Rouge genocide tribunal, gives a speech during delivery of copies of 'A History of Democratic Kampuchea' to students in Anlong Veng, in Uddor Mean Chey province, about 300 kilometers (185 miles) north of Phnom Penh, Cambodia, Monday, June 21, 2010. Cambodian students in the former Khmer Rouge stronghold were issued the textbook Monday that for the first time teaches the atrocities of the past, a little more than a decade after government forces captured the movement's last bastion. (AP Photo/Heng Sinith)