The conservative leanings of Rupert Murdoch's newspaper and television empire could be in jeopardy after a Nevada probate commissioner rejected his bid to amend his irrevocable family trust to assure that his eldest child,

Rupert Murdoch has lost a bid to change his family trust to consolidate control of his media empire in the hands of his son Lachlan, the New York Times reported on Monday, citing a sealed court document.