Will Lachlan Murdoch succeed in brushing his rival siblings aside to command control over the future of his family’s media empire? Or could we be looking at the end of the century-old family dynasty that runs the world's most powerful conservative news organisation?

For much of his youth, Lachlan Murdoch seemed ambivalent about being next in line to control the family’s global media empire. So why is his father Rupert now fighting a high stakes battle against three of his other children to ensure Lachlan becomes his successor?