The Border Dividing Ireland Has Long Been Invisible. Brexit Threatens to Make It Real. Britain’s exit from the European Union threatens to disrupt trade and potentially reinvigorate conflict between Northern Ireland and the Republican of Ireland. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Cuban Doctors Revolt: “You get tired of being a slave”Puerto Rico, Luther Strange, Hugh Hefner: Your Thursday Evening BriefingNorth Korea’s Athletic AmbassadorsFormer VW Engine Chief Arrested, Signaling Widening Emissions CaseVann Molyvann, Architect Who Shaped Cambodia’s Capital, Dies at 90Pressure Rises at U.N. on Myanmar Over Rohingya Crisis