The world is fragmenting; NZ’s answer cannot be to fragment itself. (Image: © Brendan Boughen, Cartoons by Jim)What a difference three years makes.There he was in September 2023, Christopher Luxon, freshly polished Leader of the Opposition with the corporate sheen intact, entering a hall in Wellington booked by BusinessNZ for its pre-election event.Government and business, he said, must speak “adult-to-adult”, not “parent-to-child”, and the heads nodded.But last week in Rotorua the old line came back, and this time it had lost its fluorescent conference-hall glow. 'Settings'The local businesses spoke of rising costs, dwind...