The State Department has completed its investigation into the use of a private email by Ex Secretary of State Hillary Clinton and has found violations by 38 people, some of whom could face disciplinary sanctions.The investigation initiated more than three years ago determined that the 38 people were “guilty” in 91 cases of sending confidential information that went to Clinton's personal mail, according to a letter sent to Republican Senator Chuck Grassley and released Friday. The 38 cited are retired or active employees of the State Department....