wo of Pakistan's top atomic scientists were grilled yesterday about possible contacts with Afghanistan's Taliban rulers amid reports Osama Bin Laden had obtained nuclear material. Sultan Bashiru-Din Mehmood, one of the founders of the country's nuclear program, was detained Tuesday in Lahore, Interior Ministry officials said on condition of anonymity. They said Abdul Majid, a scientist who worked with Mehmood at the Pakistan Atomic Energy Commission, also was being held. "The investigation has nothing to do with the nuclear program," said Rashid Qureshi, a Pakistani military spokesman. However, the Interior Ministry officials said the men were questioned about possible links ...