The Bernie Sanders campaign for President is one of the most exciting and hopeful developments in US politics in decades. Sanders is, and long has been, a man of principle — democratic socialist principle. He articulates a clear message — that a more genuine democratic politics in the United States needs to mobilize millions of people on behalf of an egalitarian political economic agenda — and he does so in a way that is both consistent and intelligent. He is always “on message,” because he has expressed this message for decades and he knows and believes in it, not because he is properly “handled.” His campaign has thus far succeeded beyond …