First of all, it wasn't yesterday; it was the day before yesterday. It was in his report on the 42nd general election. He issued a report, and in it he said that one way of dealing with this, the way he thought was the best, was to adopt the New Zealand approach. In New Zealand, they say they won't change their electoral...either one or the other. I think that's what was actually said.
On September 29th, 2016. See this statement in context.