Joe Biden’s Brexit intervention is deeply disturbing, writes Jonathan Buckley, Member of the Northern Ireland Legislative Assembly: The would-be President tweeted this week: “We cannot allow the Good Friday Agreement that brought peace to Northern Ireland to become a casualty of Brexit. Any trade deal between the U.S and U.K must be contingent upon respect for the Agreement and preventing the return of a hard border. Period.” But peace advanced with the signing of the Belfast/Good Friday Agreement in 1998 and subsequent agreements. Each and every one of those agreements required the support of a majority of both of the