A 55-year-old woman with multiple sclerosis who has been seeking to end her life for years on Wednesday became the 14th Italian to access medically assisted suicide under a recent ruling from the country's top court.     'Libera', an assumed name to protect her privacy, died at her home following the self-administration of a lethal drug through an eye-controlled device specially designed by the National Research Council (CNR) to allow her to initiate an intravenous infusion of the drug for the