“Isaiah prophesied, ‘And the loftiness of man shall be bowed down, and the haughtiness of man shall be made low.’ That prediction bore truth in my lifetime and on my watch.”

So writes David Scheffer, who was instrumental in creating the four separate UN war crimes tribunals, as well as the International Criminal Court, and who yet remains haunted by what was left undone, done too late, or accomplished incompletely.

From 1993 to 1997, Scheffer was senior adviser and counsel to UN ambassador Madeleine Albright; from 1997 to 2001, he was the first ambassador-at-large for war crimes