Reports reveal Zarqawi nuclear threat

Recurrent intelligence reports say al Qaeda terrorist Abu Musab Zarqawi has obtained a nuclear device or is preparing a radiological explosive or dirty bomb for an attack, according to U.S. officials, who also say analysts are unable to gauge the reliability of the information's sources.The classified reports have been distributed to U.S. intelligence agencies for several consecutive months and say Zarqawi, al Qaeda's leader in Iraq, has stored the nuclear device or dirty bomb in Afghanistan...