The prime ministership remains the main prize in Australian politics, but it is a precarious one. Leadership turnover in recent years has seen more prime ministers rise and fall than at any time since the decade after federation. What explains this volatility? The Pivot of Power is the second volume in a unique blend of collective biography and institutional history that shows the skills, limitations and passions of incumbents are only part of the story. The ways in which prime ministers thrive and fail are influenced by the resources at their command, the evolving nature of the parties...