U.S. missile defense in the twenty-first century is focused on emerging threats from North Korea and Iran, but critics say these systems are too costly and largely unproven.

A biographical timeline of past UN secretary-generals and their accomplishments.

A profile of the Japanese religious cult that carried out the 1995 subway sarin attack.

This publication is now archived. Following are brief descriptions of some recent Mideast peace proposals: 1993 Oslo AccordsThe most difficult issues, including the right of return and settlements, w…