20 May 2011

Best of the Week - 20 May 2011

From Best Of The Week, 12:00 pm on 20 May 2011

Highlights from Radio New Zealand National's programmes for the week ending Friday 20 May. This week.......when advertising gets mistaken for news, new science in climate change, are farmers paying enough tax, the study of silence, the craft of perfumery and rock photographer Tony Mott.