Britain will have to pay a “very hefty” bill to leave the European Union and negotiating a new relationship with the bloc will take years, European Commission chief Jean-Claude Juncker warned today (21 February). Prime Minister Theresa May hopes to trigger the Brexit negotiations by the end of March following the shock referendum in June last year. […] “The British must know — and they know it already — that it will not be at a discount or zero cost,” the former Luxembourg premier said in his hour-long speech. […] European sources said Brussels could hand Britain an exit bill...