More Britons want to remain a member of the European Union than leave, according to a survey published on Sunday which also showed voters want to make the final decision themselves. Britain is due leave the EU on March 29, but Prime Minister Theresa May is struggling to get her exit deal approved by parliament, opening up huge uncertainty over whether a deal is possible, or even whether the country will leave at all. The survey by polling firm YouGov showed that if a referendum were held immediately, 46 percent would vote to remain, 39 percent would vote to leave, and the rest either did not know, would not vote, or refused to answer the question.