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FILE - In this Jan. 3, 1985 file photo, Sen. Joe Biden (D-Del.) holds his daughter, Ashley, while taking a re-enacted oath of office from Vice President George Bush during a ceremony on Capitol Hill in Washington as his sons Beau, foreground, and Hunter hold the bible. On Saturday, May 30, 2015, Vice President Joe Biden announced the death of son, Beau, from brain cancer. (AP Photo/Lana Harris)