Why is there no Labor Party in the United States?

(McGill University) The improbable rise of Bernie Sanders' presidential campaign presents an interesting question: why is Sanders, a self-proclaimed 'democratic socialist,' running as a Democrat?McGill University sociologist Barry Eidlin examines this question through an historical comparison with Canada, a country similar to the US in many ways, but whose political culture and electoral system have ostensibly been more hospitable to labor parties.