In the last forty years, Rupert Murdoch has gone from publisher of a marginal newspaper in Adelaide, Australia, to chairman of one of the world's largest and wealthiest media empires. His business acumen combined with a gambling spirit has made him an enormously successful player in the communications industry. FRONTLINE correspondent Ken Auletta probes Murdoch's drive to establish the first global telecommunications network and examines how Murdoch's success has been dogged by controversy over journalistic standards and the use of political influence.