CHICAGO - DECEMBER 01:  President-elect Barack Obama (R) introduces members of his National Security Team during a press conference as Vice-President-elect Joe Biden listens at the Hilton Hotel December 01, 2008 in Chicago, Illinois. Members of the National Security Team named by Obama at the press conference include Senator Hillary Clinton (D-NY) as his choice for secretary of state,  Washington attorney Eric Holder as attorney general, Arizona Governor Janet Napolitano as his choice for homeland security, Robert Gates will remain as defense secretary. Retired Marine Gen. James L. Jones was selected for the position of national security adviser and Susan Rice as U.N. ambassador. Getty Images logo Getty Images 7 months ago

CHICAGO - DECEMBER 01: President-elect Barack Obama (R) introduces members of his National Security Team during a press conference as Vice-President-elect Joe Biden listens at the Hilton Hotel December 01, 2008 in Chicago, Illinois. Members of the National Security Team named by Obama at the press conference include Senator Hillary Clinton (D-NY) as his choice for secretary of state, Washington attorney Eric Holder as attorney general, Arizona Governor Janet Napolitano as his choice for homeland security, Robert Gates will remain as defense secretary. Retired Marine Gen. James L. Jones was selected for the position of national security adviser and Susan Rice as U.N. ambassador.