To say that children matter in Steven Spielberg's films is an understatement. Think of the possessed Stevie in Something Evil (TV), Baby Langston in The Sugarland Express, the alien-abducted Barry in Close Encounters, Elliott and his unearthly alter-ego in E.T, the war-damaged Jim in Empire of the Sun, the little girl in the red coat in Schindler's List, the mecha child in A.I., the kidnapped boy in Minority Report, and the eponymous boy hero of The...