Senator PRATT (Western Australia) (14:15): The Morrison-Joyce government has spent more than $1 million of taxpayers' money in support of Clive Palmer's High Court challenge of WA's border restrictions. Isn't Mr Morrison's— Honourable senators interjecting— The PRESIDENT: Order! Order, both sides of the chamber! Senator PRATT: likening of Western Australians to cave people just the latest in a series of attempts to undermine Western Australia?