Four More Years: Obama 2012: OFA2012_137

October 25, 2012 - Chicago, IL: President Barack Obama makes phone calls at a campaign field office in his Hyde Park neighborhood. (Scout Tufankjian for Obama for America/Polaris)

October 25, 2012 - Chicago, IL: President Barack Obama makes phone calls at a campaign field office in his Hyde Park neighborhood. (Scout Tufankjian for Obama for America/Polaris)