Cass Sunstein, President Barack Obama’s nominee to head the Office of Information and Regulatory Affairs (OIRA), has advocated a policy under which the government would “presume” someone has consented to having his or her organs removed for transplantation into someone else when they die unless that person has explicitly indicated that his or her organs should not be taken. Under such a policy, hospitals would harvest organs from people who never gave permission for this to be done. Outlined in the 2008 book “Nudge: Improving Decisions About Health, Wealth, and Happiness,” Sunstein and co-author Richard H. Thaler argued that the...