Austerity, growing inequality, and the economic and political domination of billionaires, bankers, hedge funds, and giant corporations make the current moment ripe for birthing a movement that can radically transform the country and the world. This is a time of great peril, but also of extraordinary opportunity and—yes—reasons for hope. The last four decades have been characterized by unrelenting attacks on the working class, the weakening of unions and the financialization of capitalism.