NEW YORK, NY – SEPTEMBER 17: Democratic mayoral nominee Bill de Blasio (L) laughs with Christine Quinn (2nd R), New York City Council Speaker and former mayoral hopeful, at a news conference where Quinn endorsed de Blasio outside City Hall on September 17, 2013 in New York City. De Blasio will face Republican Joseph Lhota in the general mayoral election November 5, 2013, with the winner succeeding current Mayor Michael Bloomberg. (Photo by Mario Tama/Getty Images)