Katherine Mangu-Ward on the Joys of Immigration in The Wall Street Journal

"As a tool for spreading wealth, open borders make foreign aid look like a child's lemonade stand," writes Robert Guest, business editor of the Economist, in Borderless Economics, a rapid-fire case for the free movement of labor from one country to another. In today's Wall Street Journal, Managing Editor Katherine Mangu-Ward reviews a new book on the joys of labor mobility in the modern world.