Brexit at breaking point? Diary dates for Britain's EU departure

British Prime Minister Theresa May has little more than six months to negotiate a Brexit deal with the European Union, sell it to her divided Conservative Party and win parliamentary approval.EU leaders in Salzburg lined up to tell May she needs to give guarantees on the Irish border before they will grant her the Brexit deal she wants to avoid Britain crashing out of the bloc.The opposition Labour Party could play a role in the type of Brexit Britain gets.