(L-R) Senator Lindsey Graham (R-SC), Senator John McCain (R-AZ), President-elect Barack Obama and his chief-of-staff Rahm Emanuel during a meeting in Obama's transition office in Chicago, November 17, 2008. [Xinhua/Reuters Photo]

U.S. President-elect Barack Obama smiles during a meeting in Obama's transition office in Chicago, November 17, 2008. [Xinhua/Reuters Photo]