In this photo released by the Extraordinary Chambers in the Courts of Cambodia, Khieu Samphan, former head of state, sits during the second trial of the top leaders of Khmer Rouge in the court hall of the U.N.-backed war crimes tribunal, on the outskirts of Phnom Penh, Cambodia, Thursday, June 30, 2011. The tribunal on Thursday held its fourth day trial on top four surviving members of the Khmer Rouge regime, blamed for the deaths of an estimated 1.7 million Cambodians in the 1970s. (AP Photo/Extraordinary Chambers in the Courts of Cambodia, Mark Peters) EDITORIAL USE ONLY
{}