INSANE: Liberal civil war on show as defamation trial nears end | Rare Historical Photos

The Victorian Liberals should be waging war on Jacinta Allan's Labor government but have instead spent 18 months tearing each other apart in a struggle for party's soul.

First-term MP Moira Deeming and party leader John Pesutto have been scrapping it out in the Federal Court for three weeks as part of a high-stakes defamation trial.