Nuon Chea did something unprecedented yesterday. While responding to civil parties’ questions at the Khmer Rouge tribunal, the co-accused acknowledged a degree of responsibility as a leader of Democratic Kampuchea. “I, of course, was one of the leaders, so I am not rejecting responsibility,” Chea said, answering a civil parties’ question about how the regime’s leaders could have led the country to such sorrow. “I share some responsibility.