Sony hacking highlights challenge to CEO Hirai's 'One Sony' vision

By Ritsuko Ando and Reiji Murai TOKYO (Reuters) - Leaked emails reveal a cultural gulf between Japan's Sony Corp and Hollywood subsidiary Sony Pictures Entertainment, highlighting the challenge of CEO Kazuo Hirai to turn around the money-losing company under the slogan One Sony. The Japanese conglomerate is heading for its fifth net loss in six years, raising questions about its ability to hold on to businesses ranging from making television sets to movies. ...