U.S. President-elect Barack Obama (2nd L) walks offstage with U.S. Senator Hillary Clinton (D-NY) (R) and Vice President-elect Biden after announcing Clinton as his choice for U.S. Secretary of State during a news conference in Chicago December 1, 2008. Obama, who takes office on January 20, has pledged to be more inclusive and says he has a vision of renewing America's leadership in world affairs after President George W. Bush's eight years in office. REUTERS/John Gress (UNITED STATES)