International Monetary Fund Managing Director Christine Lagarde speaks about the global economy at the Johns Hopkins School of Advanced International Studies in Washington April 2, 2014. The European Central Bank should ease monetary policy to combat the risk of "low-flation" that could crimp euro zone output and consumer spending, the head of the International Monetary Fund said on Wednesday. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS BUSINESS EDUCATION TPX IMAGES OF THE DAY)