At President Abraham Lincoln's funeral in 1865, the oak tree stood just a few feet from the event, shading the funeral choir.
Former Nebraska Senator Chuck Hagel is being grilled by the Senate Armed Services Committee today, as it considers his nomination to be the new secretary of defense.
Hagel served two terms in the Senate, representing Nebraska as a Republican. He is also a decorated veteran of the war in Vietnam.
He’s being questioned about his views on Israel and Iran.
Peter O’Dowd follows the route of Abraham Lincoln's funeral train 150 years ago, to look at modern-day race relations and Lincoln's legacy.