Labour should commit to staying in the single market and customs union

Labour figures publish an open letter in the Observer, demanding that Labour shows ‘the courage of its convictions’ and toughens its pro-EU messageAs organisations and politicians from across the Labour movement, we are writing to urge the Labour Party to have the courage of its convictions on Brexit.We have watched with dismay as the Government has used a narrow referendum result to justify an extreme approach to Brexit, a scapegoating of EU migrants, and a Westminster power grab th