Labour and the Greens, added together, have edged past National in opinion polls. And they have edged a little nearer each other.
First: Greens co-leader James Shaw scrubs up presentably to the sorts of people who usually think Greens are sandal-wearing ether-dwellers.
Second: Labour has pushed its trade positioning Greenwards. Labour still backs free trade in goods and services, which the Greens don’t. But it has turned much warier of the regulatory dimensions of modern “trade” agreements.