"Foreign Secretary David Miliband … admitted - and this is a rarity for a politician - that he didn’t know the answer to one of Jeremy’s questions, and promised to clear up both points by posting something on our website."

Mark Lynas: "If [Newsnight editor Peter] Barron is really suggesting that the BBC should be ‘neutral’ on the question of planetary survival, his absurd stance surely sets a new low for political cowardice in the media."