A Brexit reversal is legal, the European Union's high court has ruled. It said that until March 29, Britain can unilaterally decide to remain in the union, after all, giving hope to "remainers" https://nyti.ms/2RMifJ2
European Court of Justice rules that Britain CAN stop the Brexit process and unilaterally revoke Article 50. https://www.theneweuropean.co.uk/top-stories/european-court-of-justice-article-50-ruling-confirms-uk-can-stop-brexit-1-5812257
In Munich for a security conference, Prime Minister Theresa May called for a pact to be signed before a Brexit deal, and said Britain would “respect” the jurisdiction of the European Court of Justice http://nyti.ms/2HowjU5