FILE - Four-year-old Beau Biden, in foreground, plays near his father, Joe Biden, center, being sworn in as the U.S. senator from Delaware, by Senate Secretary Frank Valeo, left, in ceremonies in a Wilmington hospital Jan. 5, 1973. Beau was injured in an accident that killed his mother and sister in December 1972. Biden's father-in-law, Robert Hunter, holds the Bible. (AP Photo/File) FILE PHOTO
