BRUSSELS (Reuters) - European Union leaders will agree on Friday to move forward with Britain s exit negotiations to prepare a future trade deal, Lithuanian president Dalia Grybauskaite said.  We will give the mandate for preparation for the Commission and ourselves for the negotiations for the future of our relations, that will probably start in March,  she said.  Asked if Britain might agree a trade deal with the European Union going beyond the bloc s deal with Canada, sometimes described as  Canada Plus , she said:  We hope to have a lot of pluses for all sides.  
EU leaders to give mandate for next phase of Brexit talks: Lithuanian president