Labour seeks to regain momentum for EU "In" campaign

Britain will have a stronger voice in the world if it stays in the European Union, the opposition Labour Party will say on Monday as it seeks to persuade its voters to back an "In" vote before an increasingly close-run June 23 referendum. Polls show Britons are evenly divided over how to vote next week, prompting Conservative Prime Minister David Cameron to take a back seat to allow leading Labour figures to appeal to undecided left-leaning voters. With Conservative supporters deeply divided ove