Mark Seibel

The Islamic State of Iraq and Syria, which on Tuesday seized control of the Iraqi city of Mosul, has become one of the most powerful terrorist groups in the world. Here are a few details about it.

The United States on Saturday turned over custody of five former members of the Taliban who were being held at the Guantanamo Bay detention center to Qatar in exchange for the release of a U.S. Army soldier who’d been held in Afghanistan by the Taliban for the past five years.