Labour backs soft Brexit, putting pressure on May

By Paul SandleLONDON,(Reuters) - The opposition Labour Party says it would keep Britain in the European single market and customs union for a transitional period after Brexit, offering a clear alternative to the policies of Prime Minister Theresa May.The centre-left party would seek to maintain the "same basic terms" with the European Union, including the free movement of people, beyond March 2019 when Britain is set to leave the bloc, Labour's Brexit spokesman Keir Starmer said on Sunday.Labour