Members of Occupy Chicago and other protestors rally outside the re-election headquarters of U.S. President Barack Obama in Chicago

 
Members of Occupy Chicago and other protestors rally outside the re-election headquarters of U.S. President Barack Obama in Chicago
Members of Occupy Chicago and other protestors rally outside the re-election headquarters of U.S. President Barack Obama in Chicago May 21, 2012. Chicago is hosting the world leaders meeting at the NATO Summit which runs from May 20-21. REUTERS/Frank Polich (UNITED STATES - Tags: POLITICS CIVIL UNREST)