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:The U.N.’s Palestinian Refugee Agency: What It Does and Why It MattersWhere’s That Jumpsuit From? It’s a Long StoryA Tumultuous Week for Justin Trudeau: The Canada LetterBrazilian Court Rules That ‘Lula’ Cannot Run for PresidentFor Families Split at Border, an Anguished Wait for Children’s ReturnGiant Balloon Depicting London Mayor in Bikini Is Flown Near Parliament