Changing corporate culture is not easy.After taking a beating across the entire media spectrum regarding multiple harassment complaints at the ride-share company, Uber on June 13 released a 13-page report issued by Eric Holder and Tammy Albarran, partners at the law firm Covington & Burling LLP, concerning their investigation into the allegations of harassment, discrimination and retaliation raised by Susan Fowler, a former Uber engineer.A parallel investigation was conducted by the law firm Perkins Coie LLP. According …