Peace activists take part in anti-NATO demonstration outside of Obama's campaign headquarters in Chicago

 
Peace activists take part in anti-NATO demonstration outside of Obama
Peace activists take part in an anti-NATO demonstration outside of U.S. President Barack Obama's campaign headquarters in Chicago May 17, 2012. Leaders from members of the NATO alliance are expected to discuss the worsening situation in Afghanistan in a summit on Sunday. REUTERS/Kamil Krzaczynski (UNITED STATES - Tags: POLITICS CIVIL UNREST)