'Congratulations': EU moves to Brexit phase two but warns will be tough

The European Union agreed on Friday to move Brexit talks onto trade and a transition pact but some leaders cautioned that the final year of divorce negotiations before Britain's exit could be fraught with peril.EU leaders, who had offered British Prime Minister Theresa May a rare summit round of applause over dinner in Brussels the night before, took just 10 minutes to agree that she had made "sufficient progress" on divorce terms last week and to give negotiators a mandate to move on to the mai