Normally Paul Krugman, the liberal pundit and Nobel laureate in economics, and Paul Ryan, a conservative Republican congressman from Wisconsin, share little in common except their first names and a scorching passion for views they champion from opposite political poles. So when the two combatants agree on a fundamental threat to the U.S. economy, Americans should heed this alarm as the real thing.
See the entire article from Fortune magazine at CNNMoney.com/Fortune.