Kazuo Hirai doesn't officially grab the reins as Sony's CEO and President until April 1st, but in reality he's already at the stirrups. He's making a number of exec-level switches that he hopes will deliver "rapid and optimized decision-making processes as 'One Sony'." His strategy? An inner circle consisting of himself and fellow reformers -- such as CFO Masaru Kato -- who will engage with department heads and, you know, make 'em do stuff faster. Di
