Best of the Week - 4 September 2013

Highlights from Radio New Zealand National's programmes for the week ending Friday 6 September. This week ......a new policy of media outlets not using freelance journalists due to safety risks infuriates a Kiwi reporter; using chemical fingerprints to prove food is from where it claims to be from; the proliferation of Web TV programmes; teaching women refugees to drive for free; has adding iodised salt to bread improved our health; How to read a graveyard; riding on an old electric tram; and remembering 43 years on the beat - Assistant Police commissioner Nick Perry looks back on a long and varied career