A Pentagon official who publicly disclosed information showing Russian involvement in moving Iraqi weapons out of that country has been dismissed. John A. Shaw, the deputy undersecretary of defense for international technology security and formerly an aide to Defense Secretary Donald H. Rumsfeld, was forced to leave his position Dec. 10 as the result of a "reorganization" that eliminated his job, defense officials said. In October, Mr. Shaw told The Washington Times that he had received foreign intelligence data showing that Russian special forces units were involved in an effort to remove Saddam Hussein's weapons of mass destruction in the...