The article says she is a "Pediatrician". She is not.
Dr. Black is a pediatric psychologist and completed her training at Emory University and the Neuropsychiatric Institute of UCLA. She has been the president of the Society of Pediatric Psychology and the Division of Children, Youth, and Family Services of the American Psychological Association.
She's probably too busy campaigning for gay adoptions to spend much time researching the cost of pork and beans.
And, how ever will I square this with the claims of American kids being obese?