Shorten must be stopped

For once, Malcolm Turnbull’s current travails are not all his own fault. The Prime Minister could hardly be blamed for questions over the Deputy Prime Minister’s eligibility to sit in federal parliament. Indeed, it’s hard to see Barnaby Joyce’s culpability either: he could not be expected to know what his father – who had left New Zealand as a youth and never held a Kiwi passport – also didn’t know and had no reason to suspect.