The United States and the Taliban signed an agreement aimed at ending the eighteen-year war in Afghanistan, but many factors could still disrupt the peace process.

Tens of millions of Chinese now identify as Christians, and the number has grown rapidly, posing challenges for a government that is officially atheist and wary of threats to its power.

Antitrust law, which has evolved primarily through landmark Supreme Court cases, plays an essential role in the maintenance of efficient markets and promotion of long-term U.S. economic prosperity.

Pakistan has emerged as a sanctuary for some of the world’s most violent groups, including al-Qaeda, the Taliban, and homegrown militants, that threaten the stability of Pakistan as well as the regio…