Like all timely memoirs of recent disasters, Carly Fiorina’s Tough Choices will be read first at light speed, as interested parties skim through to find the account of her final days as Hewlett-Packard CEO and her take on the board members who unceremoniously fired her last year. ( To see Knowledge at Wharton’s interview with Carly Fiorina, conducted earlier this week, click here .) A quick read will uncover an eyeful, including her cutting portraits of figures like board member Jay Keyworth (“emotional”), Compaq CEO Michael Capellas (“rude and abusive”), and board member Walter Hewlett (easily manipulated), as well as her conviction that her leadership of HP was a success. But Tough Choices is more than a throw-away tell-all. After extracting the news-related nuggets, readers should put the book down and pick it up again as if they had never heard of Carly Fiorina.…