Firstly, if Mr Varadkar were to carry out his nasty threat, Ireland would come off much worse in the ensuing tit-for-tat. But on examining his demand, that after a no-deal Brexit, Irish fisherman continue to be allowed to fish UK waters, it becomes even more outrageous. Is there the remotest chance of U.K. fishermen being allowed to fish EU waters in this circumstance? It's worrying that Ireland should address its closest trading partner in such a belligerent and unreasonable way.