Yelena Bonner addressing the European Parliament in Strasbourg in 2008. BOSTON — Yelena Bonner, a rights activist and widow of Nobel Peace Prize winner Andrei Sakharov, has died, her daughter said Sunday. She was 88. Bonner died of heart failure Saturday afternoon in Boston, according to her daughter, Tatiana Yankelevich. She had been hospitalized since Feb. 21, Yankelevich said. Bonner grew famous […]