In late November, Contrarian reported that researchers at Stanford University had used a drug therapy to improve the learning skills of mice with a form of Down syndrome. Jenn Power, community leader at L'Arche Cape Breton and mother of twin boys with Down's, found the research distressing. She said people with Down's don't need a cure; they need "a society that values what they have to offer." This produced a fascinating discussion with many thoughtful contributions on all sides of the issue. At Contrarian's request, Dr. Ahmad Salehi, M.D., Ph.D., the lead researcher on the Stanford University study, has responded to...