Britain cannot revoke EU divorce once begun, government's top lawyer says

By Michael Holden LONDON (Reuters) - Once Britain triggers its formal divorce from the European Union by invoking Article 50 of the Lisbon Treaty, there is no going back on the decision, the British government's top lawyer told the High Court on Monday. As Britain moves towards exiting the world's biggest trading bloc after a vote that spooked global financial markets, there is considerable debate over how one of the most complex negotiations in recent European history will work. The government