Conservative Brexiteers are offering unserious answers to serious questions in Northern Ireland: the consequences for the union are significant

Proposals from backbench Brexiteer MPs as to how to resolve the border question in Northern Ireland fail to address the problem of maintaining a common set of standards with Ireland post-Brexit. Sean Swan argues that, given public opinion in England, a customs border in the Irish Sea, with divergence between Great Britain and Northern Ireland, is a likely outcome.