David Shukman: Is extinction such a bad thing?
A new series offers some of the BBC's most senior journalists the chance to discuss some of the burning issues of the day.
The BBC's Science Editor, David Shukman, plays devil's advocate and asks what is so bad about some species becoming extinct.
He argues that extinction has been part of the natural order of things throughout Earth's history.
Watch The Editors on the iPlayer for the next seven days (UK users only).