Martin McGuinness, an I.R.A. Leader Turned Peacemaker, Dies at 66 Mr. McGuinness helped negotiate peace in Northern Ireland after decades of sectarian violence and became a senior official in its power-sharing government. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Pendant Found in Nazi Death Camp Ruins May Have Anne Frank LinkNigerian Jet Mistakenly Bombs Refugee Camp, Killing DozensEuropean Court Orders Russia to Pay U.S. Families Whose Adoptions It BlockedEditorial: French Fraternity and MigrantsPutin Says Accusations in Trump Dossier Are ‘Clearly Fake’Veteran Times Reporter Denied Entry to Turkey