WREATH LAYING President-elect Barack Obama and Vice President-elect Joe Biden, along with Army Sgt. 1st Class Alfred Lanier, right, a tomb sentinel assigned to the 3rd U.S. Infantry Regiment, "The Old Guard," place a wreath at the Tomb of the Unknowns in Virginia's Arlington National Cemetery during a ceremony on Jan. 18, 2009. The ceremony was one of several events leading up to Obama's Jan. 20, 2008, inauguration. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 238598-I-DLV16-161.jpg Photo Gallery