Both mainstream and leftist economists are heaping praises on French economist, Thomas Piketty's book, Capital in the Twenty-First Century. In his review of the book, New York Times columnist Paul Krugman argues, "The big idea of (the book) is that we haven't just gone back to 19th-century levels of income inequality, we're also on a path back to "patrimonial capitalism," in which the commanding heights of the economy are controlled…by family dynasties...This is a book...