Backgrounder: Lingering resentment over NATO’s expansion has strained U.S.-Russia relations.

The United Nations was responsible for establishing universal human rights standards, but its image in recent years has been tarnished by the record of its main body charged with safeguarding rights.

President-elect Barack Obama made many promises on defense spending and strategy during his two-year run for the White House. But analysts say economic constraints and political pressure could make i…

Violent acts by homegrown militant extremists in the U.S. have declined, but "lone wolf" attacks are on the rise. The post-9/11 legal and political landscape poses new challenges to law enforcement a…

This publication is now archived. How can security in Afghanistan be improved?There are many options. Among them: dramatically expanding and strengthening the new Afghan national army; broadening the…