The granddaughter of one of Hewlett-Packard’s founders wrote a letter Monday trashing California GOP Senate candidate Carly Fiorina’s leadership of the company. Arianna Packard, the granddaughter of HP co-founder David Packard, wrote the letter to the three Republican senators who recently endorsed Fiorina – James Inhofe and Tom Coburn of Oklahoma as well as Jon Kyl of Arizona – over former Rep. Tom Campbell and state Assemblyman Chuck DeVore. Packard has a long feud with Fiorina, publicly criticizing her leadership of the company and pushing for her ouster in 2005. In 2002, Packard teamed with Bill Hewlett – son of...