Like a lot of other observers of politics, I am convinced that Barnaby Joyce, the Deputy Prime Minister, should go. It should be done voluntarily or Malcolm Turnbull should withdraw his confidence in Joyce, which will have the effect of sacking him. And it had better be done soon or it will eat away at the government’s fortunes and when it does take place, as eventually it will, Turnbull will get no praise for acting so late in the piece; all he will get is renewed criticism for being indecisive and a revival of the notion that perhaps it is...