AUCKLAND, NEW ZEALAND - SEPTEMBER 10:  In this handout image provided by TV3, John Campbell leads the TV3 leader's debate between Prime Minister John Key and Labour Leader David Cunliffe on September 10, 2014 in Auckland, New Zealand. Prime Minister of New Zealand, John Key will go head to head with Labour leader David Cunliffe at the general election on 20 September 2014.  (Photo by Hannah Peters/Getty Images)