If you want to pick up some tips before appearing on The Apprentice, or perhaps you're just want to know how Sony plans to wriggle back from a predicted $2.7 billion loss this fiscal year (its fourth concurrent in the red) then cancel all your plans for April 12th. Sony Corp will be holding a briefing on that date to share its rescue strategy plan with the shareholders, and the world. In attendance, of course, will be the newly minted CEO Kazuo Hirai, who'll no doubt be taking the opportunity to assert his position for the first time. Details of the call are in the so