Finding the cannabis laws in his homeland a little too draconian for his tastes, well-known writer and columnist Colin Hogg embarked on a journey to the new frontier of marijuana, the United States.

Travelling through states that have legalised the controversial leaf to varying degrees, Hogg takes the trip of a lifetime - and, in The High Road, makes his case for why cannabis should be legalised in New Zealand too.

In conversation with Golden Bay author Gerard Hindmarsh.