The Moral Life of Babies By PAUL BLOOM - NEW YORK TIMES Published: May 3, 2010 Not long ago, a team of researchers watched a 1-year-old boy take justice into his own hands. The boy had just seen a puppet show in which one puppet played with a ball while interacting with two other puppets. The center puppet would slide the ball to the puppet on the right, who would pass it back. And the cente…