Prime Minister Theresa May told European Union leaders on Friday she was confident a court ruling that could delay Britain's departure from the bloc would be overturned and she vowed to stick to her Brexit timetable. May told German Chancellor Angela Merkel and European Commission President Jean-Claude Juncker she believed her case that the government - not parliament - should be responsible for triggering Article 50 of the EU's Lisbon Treaty to launch the divorce would win in...