The West Australian premier, Roger Cook, has urged the community to condemn the emergence of “dog whistling” and the “language of division” in mainstream politics after a 20-year-old man was charged with preparing a terrorist attack. Jayson Joseph Michaels, from Bindoon, appeared at the Perth magistrates court on Friday, charged with acting in preparation for a terrorist act, possessing a prohibited weapon, two firearms offences and using a carriage service to menace or harass. The WA premier joined Muslim leaders and the WA police commissioner at a Perth mosque on Saturday, where Cook urged political leaders to “lower the temperature”...