Anyone who lives in Washington and has an official position viscerally understands the cost of a lack of privacy. Every dinner - especially ones with a journalist in attendance - is preceded by the mandatory, 'This is off the record.' But everyone also knows, nothing is really 'off the record.

By establishing a social policy that keeps physician-assisted suicide and euthanasia illegal but recognizes exceptions, we would adopt the correct moral view: the onus of proving that everything had been tried and that the motivation and rationale were convincing would rest on those who wanted to end a life.

Over his illustrious career, John Harris has explored the most challenging bioethical questions with insight, engaging wit, and eloquence. In Enhancing Evolution, Harris does it again. He argues that it is not just an option but an obligation for people to use available biomedical technologies to enhance their own--and their children's--physical and mental abilities. Harris rightly deserves his reputation for fearlessly following his ethical arguments wherever they lead.

An obvious example is not guaranteeing health services to patients with dementia.

We all focus on health care and diabetes and heart disease but there's all sorts of things like the simple fact that, you know, heavier people, transportation is more, so there's more spent on gasoline, more on jet fuel, people have had to change the size of doorways, the size of chairs on airplanes and at sports stadiums, so there's a lot of hidden costs as well to the increasing girth of Americans.

Doctors take the Hippocratic Oath too seriously, as an imperative to do everything for the patient regardless of the cost or effects on others

Americans tend to endorse the use of physician-assisted suicide and euthanasia when the question is abstract and hypothetical.