During the transition from President George W. Bush to President Barack Obama, Bush administration officials shared with the incoming Obama administration intelligence about a terrorist threat to disrupt Obama’s 2009 inauguration, a threat that ultimately did not come to pass.

President Barack Obama waves to the crowd just after he was sworn-in as the 44th President of the United States and the first African-American to lead the nation at the Capitol in Washington Tuesday, Jan. 20, 2009. Former President George W. Bush stands and applauds at left. (AP Photo/J. Scott Applewhite)