The Obama Democrats and IMF want the U.S. to slow down and divide up the pie. Suddenly the subject of income inequality has turned into a global love train. Politicians and public-policy shops all over the world are hopping onboard. Naturally the engineer is Barack Obama, who gives speeches on income inequality and won a presidential election by rolling over 1% of the population. Democrats in this year's midterm elections are running on income inequality, and this is rational. Their alternatives don't