Polish Amazon workers demand their salaries be doubled

WARSAW (Reuters) - Amazon workers in Poland are demanding that their salaries be roughly doubled, the latest in a spate of labour disputes to hit the world's largest online retailer.The demands follow strikes earlier this year in Spain and Germany, where workers demanded higher pay and better working conditions."We earn three times less than workers in Germany and we work longer hours," said Maria Malinowska from the Worker's Initiative union. "Amazon can't prey on the fact that it is in Poland,..