The political crisis in Northern Ireland threatens the power-sharing agreement between the Democratic Unionists and Sinn Fein (http://www.independent.co.uk/voices/comment/northern-irelands-political-crisis-the-assembly-has-delivered-little-so-far-but-most-unionists-and-republicans-want-it-to-survive-10497317.html , http://www.bbc.com/news/uk-northern-ireland-34217875 , http://www.irishtimes.com/news/ireland/irish-news/governments-look-to-monday-talks-to-resolve-north-crisis-1.2348462 ).