Bin Laden reportedly sought nuclear expert's help Pakistani said to have rebuffed al-Qaeda's appeal to build bomb 12/30/2002 Associated Press ISLAMABAD, Pakistan - A leading Pakistani nuclear scientist, barred by his government from talking to reporters, has made it known through his son that Osama bin Laden approached him before the Sept. 11 attacks for help in making nuclear weapons. The al-Qaeda leader was rebuffed, the son, Azim Mahmood, said in an interview with The Associated Press. "Basically Osama asked my father, 'How can a nuclear bomb be made and can you help us make one?' " he said....