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.

The presidential candidates generally agree on support for democracy and human rights in Arab states, but have differed on several policy particulars, such as military intervention in Libya and Syria.

Some analysts say healthcare costs hinder U.S. industry competitiveness in the global marketplace, but it’s unclear whether proposed health reforms will offer any cost relief.

A surge in pirate attacks off the Somali coast in recent years has prompted the deployment of an international coalition of navies. But experts say that military force alone cannot address the underl…