Last week my producer received an email from Simon Bridges' office, asking whether we'd like to have the National Party leader on the wireless for a period of time. He was in Auckland doing the rounds, had a bit of time on his hands between engagements and he was happy to take questions from callers.

"Well, why not?" we thought.

There has been a standing invitation for the Prime Minister to come on the show since the beginning of the year, which she has yet to take up. Understandably I suppose. She would have far fewer gaps in her