'Non negotiables', culture wars, and forcing innovation: minor party leaders talk election buildup

They're the "minor" parties with the support of around 1 in 5 of us - so are the Greens and ACT really that minor? Marama Davidson and David Seymour join us to discuss what they'll be looking for post election (depending on the results), how the smaller political forces can shift the bigger parties in new directions, and whether culture wars are playing a part in politics.