Pakistan 'must purge nuke network'
U.S. Secretary of State Colin Powell is publicly urging Pakistan to “pull up by the roots” the illegal proliferation of nuclear technology. The United States is interested in learning all it can about Pakistan’s nuclear scandal, Powell says, and has called for an end to the exchange network set up by scientist Abdul Qadeer Khan. But Powell says it is up to Pakistan to decide how it deals with Khan, who admitted last week that he had sold nuclear weapons technology to other countries, including Iran, North Korea and Libya. Full Story