Adopting babies with Down's syndrome

Ann Althouse links to an interesting article about the demand among adoptive parents for children with Down's Syndrome, and asks some provocative questions.  She closes with this:  "Would it make a difference [to your decision to give birth to a child diagnosed with Down's] if those waiting to become adoptive parents had put their names on the list to discourage abortion or if, on the other hand, they simply had a special love for persons with Down syndrome?"