Des Moines, UNITED STATES
Police officers arrest an Occupy Des Moines protester after he blocked the entrance of Republican presidential...
Police officers arrest an Occupy Des Moines protester after he blocked the entrance of Republican presidential candidate and former Massachusetts Governor Mitt Romney's office in Des Moines, Iowa December 28, 2011. REUTERS/Joshua Lott (UNITED STATES - Tags: POLITICS BUSINESS CIVIL UNREST)