After more than three decades of existence, the Group of Eight (G8) is struggling to defend its relevance amid criticism of its limited membership and lack of a compliance mechanism.

Global support for the "responsibility to protect" doctrine weakened after the UN-endorsed no-fly zone that helped topple Libya’s regime, and debate continues over the threshold for mounting armed hu…

Longtime Venezuelan leader Hugo Chávez’s fourth term as president allows for the continuation of his "socialist revolution," but questions over his health remain a wildcard in assessing Venezuela’s f…

A profile of the international terrorist network that the United States has singled out as the most serious threat to U.S. security.