A Liberal loss in Aston on Saturday would be the first time since 1920 that a government has won a seat from an opposition in a federal byelection. Like the 2020 Eden-Monaro byelection in NSW, the race has become a proxy test for the party’s leadership under Dutton and the result will be felt far beyond Melbourne if the government mounts an unlikely victory. Some political insiders believe the situation is vastly different from May last year, with unpopular former prime minister Scott Morrison and Tudge now out of the picture. But Liberal strategists remain worried because, while talking themselves...