US President Obama smiles together with volunteers during a day of service in Washington

 
US President Obama smiles together with volunteers during a day of service in Washington
U.S. President Barack Obama smiles together with volunteers during a day of service in honor of Martin Luther King Jr. Day holiday at the So Others Might Eat dining room for the homeless people in Washington January 18, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS SOCIETY)