WASHINGTON, DC - December 30: Minority Leader Senator Mitch McConnell... News PhotoAgreement,Capitol Hill,Contemplation,Entering,Event,Fiscal Cliff,Human Interest,Man Made Object,Mitch McConnell,Office,Politics,Possible,Sunday,USA,United States Senate,Vertical,Washington DCPhotographer Collection: The Washington Post 2012 The Washington PostWASHINGTON, DC - December 30: Minority Leader Senator Mitch McConnell (R-KY) enters his office before the Senate comes back into a rare Sunday session to consider a possible deal crafted on Saturday behind the scenes to prevent a dive off the 'fiscal cliff', on Capitol Hill, Sunday, December 30, 2012. (Photo by Melina Mara/The Washington Post via Getty Images)