This year’s election is one for the history books: it was the first since MMP was introduced in 1996 which resulted in a single party being able to govern without the aid of allies. What on Earth happened? In early 2020, the first Colmar Brunton poll of the year had National on 46% support, Labour on 41%, the Greens on 5%, New Zealand First on 3%, and ACT on 2%. Had those poll…