MOMBASA, Kenya — The mother of a top al-Qaida fugitive who was killed in a U.S. raid in Somalia demanded today to see her son's body while a Somalia-based group claimed him as their leader and confirmed his death. Saleh Ali Saleh Nabhan, a 30-year-old Kenyan, was wanted for the 2002 car bombing of a beach resort in Kenya and a failed attempt to shoot down an Israeli airliner. Three senior U.S. officials familiar with Monday's commando raid confirmed he was killed. Aisha Abdallah told the Associated Press she wants "to see the body of my son before it is...