A captured American soldier is training Taliban fighters bomb-making and ambush skills, according to one of his captors and Afghan intelligence officials. Private Bowe Bergdahl disappeared in June 2009 while based in eastern Afghanistan and is thought to be the only U.S. serviceman in captivity. The 24-year-old has converted to Islam and now has the Muslim name Abdullah, one of his captors told The Sunday Times. A Taliban deputy district commander in Paktika, who called himself Haji Nadeem, told the newspaper that Bergdahl taught him how to dismantle a mobile phone and turn it into a remote control for a...