Former Khmer Rouge leader on trial

PHNOM PENH, Cambodia - Nuon Chea, former Khmer Rouge ideologist and second-in-command, sits as a defendant during a hearing of a U.N.-backed tribunal in Phnom Penh, Cambodia, on Nov. 21, 2011, in this still image from a screen in a press room for the tribunal. The tribunal opened a long-awaited hearing the same day for three former senior Khmer Rouge leaders including Nuon Chea charged with committing war crimes and crimes against humanity in the late 1970s. (Kyodo)