WASHINGTON – As the Pakistani nuclear proliferation story widens, U.S. intelligence officials say top atomic scientists from that country met with Osama bin Laden and Mullah Omar in Afghanistan. Two former senior Pakistani nuclear scientists who were based in the Afghan town of Kandahar met Mullah Omar and Osama bin Laden several times before the fall of the Taliban. They were later detained and questioned on their return to Pakistan. Last week, after it became clear that Pakistan was the center of what has become known internationally as the "nuclear bazaar," President Pervez Musharraf agreed to pardon nuclear scientist Abdul...