But Paul Krugman's caveat: expansion, not austerity is needed
                                
                                
                                    (Newser) -
                                    The International Monetary Fund needs to expand its $400 billion war chest to more effectively fight the latest round of euro zone crises, which could demand some $2.6 trillion to solve, reports the  Telegraph . “The fund’s credibility, and effectiveness, rests on its perceived capacity to cope with...