Pro-choice, pro-life, the rather stark terms used to define the abortion debate which rages as passionately as ever. But another debate is increasingly making headlines, about how people who are terminally ill should be treated. 

"Aid in Dying" as it's called, is seen by its supporters as giving dignity and choice to people at the end of their lives. Opponents fear it's a slippery slope to legally sanctioned murder. The latest battleground is in New Mexico. The BBC’s Matt Wells brings us this report.