The row surrounding Hewlett-Packard has dominated the USpress for the past few weeks. There have been all sorts ofrighteous editorials decrying the "free-wheeling" SiliconValley business practices that the nation thought it hadrid itself of when Enron went down the pan.Given his importance in the Valley, it's no surprise thatCalifornia's most legendary lawyer, Larry Sonsini, shouldfind himself at the centre of it all.See http://www.thelawyer.com/item/121982New York Stock Exchange director Sonsini has been theValley's adviser of choice for decades, but his involvementin the scandal surrounding HP and another client, Apple,threatens his pre-eminence.Sonsini has taken this threat so seriously that he hashired one of the country's most legendary white-collarcrime lawyers, Michael Madigan of Akin Gump Strauss Hauer& Feld. Madigan's reputation has been built inWashington DC, going back to his role on the SenateWatergate Committee in 1973.It was then that Madigan acquired the nickname 'Mad Dog'.Sonsini's reputation is on the line; no wonder he wants alawyer with some bite.