"Ang San Suu Kyi,'' by MARIANA COOK,  in the show "Justice: Faces of the Human Rights Revolution,'' at the Lamont Gallery, at Phillips Exeter Academy, in Exeter, N.H., through July 31.

The Burmese human-rights advocate has a kindly face but then so have many murderous dictators, such as Stalin and Mao. Others, such as Syrian dictator/mass murderer Bashar Assad, simply look bland.