At 7am on Tuesday, Peter Dutton was publicly discussing reports of his suggestion for a referendum on stripping citizenship from dual nationals convicted of serious crimes. But by mid-morning, the opposition leader’s shadow attorney general, Michaelia Cash, was telling media: “We have no plans to hold a referendum at this stage.” Other Liberal and National members told Guardian Australia they learned about the idea from media reporting and had strong reservations about changing citizenship laws – a sentiment echoed within hours by former Liberal attorney general George Brandis. After weeks of pressure on the Coalition to explain its small-target policy...