'Takes two to tango,' EU's Juncker warns before Cameron meeting

By Alastair Macdonald BRUSSELS (Reuters) - EU chief executive Jean-Claude Juncker pledged on Wednesday to work for fair new membership terms for Britain but warned David Cameron to respect Europe's interests as well, saying "it takes two to tango". The European Commission president, who will meet the British prime minister over lunch on Thursday ahead of a summit of EU national leaders, repeated in a speech to the European Parliament that he wanted "a fair deal with Britain". After weeks of tech