Never Too Late

For the architects of Cambodia's Killing Fields, justice has long been delayed. A U.N.-backed tribunal was established last year to try those accused of orchestrating the genocidal rampage that killed up to 2 million between 1975 and 1979. But after years of bureaucratic snags and political foot-dragging, the number of suspects left to prosecute is dwindling. Pol Pot, leader of the Khmer Rouge regime, died in his sleep at age 73 in 1998. Ta Mok, the feared Khmer Rouge military commander, succumbed at 81 in a Phnom Penh hospital last year.

But justice is...