On the surface, there's not much in common between New Hampshire GOP primary winner Donald Trump and Democratic primary winner Bernie Sanders. Trump is a billionaire businessman; Sanders is a career politician. Trump's personal favorability is the lowest of all candidates on either side; Sanders' is the highest. But the impulse that drove New Hampshire voters to the polls for Sanders is the same as the impulse that drove them to the polls for Trump: the desire for a powerful authority figure to fix everything using the power of government. In fact, before the New Hampshire primary, CNN reported, "Because...