Four More Years: Obama 2012: OFA2012_016

August 15, 2012- DUBUQUE, IA: President Barack Obama and First Lady Michelle Obama sign books backstage after an event in Dubuque, IA. (Scout Tufankjian for Obama for America/Polaris)

August 15, 2012- DUBUQUE, IA: President Barack Obama and First Lady Michelle Obama sign books backstage after an event in Dubuque, IA. (Scout Tufankjian for Obama for America/Polaris)