Democrats often portray themselves as a beacon to the poor and especially protectors of the sacred American middle class. They are prone at almost any time to break into song over the way Republicans "cater to the rich" by cutting taxes and "balance the budget on the backs of the poor." The ultra-liberal wing of the Democratic Party, which has now become its dominant voice, is essentially made up of socialists, or those who endorse one of their main tenets: state-controlled distribution of wealth. They might couch these ideas in wholly American terms like workers' rights, or claim that it's...