Emanuel shakes hands at restaurant in Chicago

Former White House Chief of Staff Rahm Emanuel (C) is escorted by community organizer Juan Rangel (R) as he greets people at Nuevo Leon restaurant in Chicago's Pilsen neighborhood on October 4, 2010. Emanuel stepped down as the Obama administration's chief of staff on Friday to explore the possibility to run for mayor of Chicago after current mayor, Richard M. Daley declared that he would not seek reelection. UPI/Brian Kersey