By the end of calendar year 2004, the Bush administration will have eight interceptor missiles it can place on alert status to defend against a North Korean ballistic missile attack, the head of the Pentagon's missile defense program told a Senate subcommittee today. In December 2002, President Bush announced he would fulfill a campaign promise and move ahead with deployment of a national missile defense system. The Pentagon has said the system, which involves ground-based interceptors located in Alaska and...