Olivier Blanchard, chief economist for the International Monetary Fund (IMF), tries to get interpretation headphones to work at a world economic outlook briefing during the IMF and World Bank Group Spring Meetings in Washington, D.C., U.S., on Tuesday, April 16, 2013. The IMF cut its global growth forecast and urged European policy makers to use "aggressive" monetary policy as a second year of contraction leaves the euro area's recovery lagging behind the rest of the world. Photographer: Andrew Harrer/Bloomberg via Getty Images