What do infancy research and Dr. Pangloss have in common? Find out when Bob McMurray, Professor in the Department of Psychological and Brain Sciences at the University of Iowa, joins Eric and Mark for this installment of DeLTAcast. We take a wide-ranging look at the developmental origins of language and tackle other questions big and small—from the reality of the phoneme to where the field of developmental psychology is headed in this best of all possible worlds.