Herve Gourdel, a 55-year-old mountain guide, was abducted on Sunday as he was hiking the remote Djura Djura mountains of northern Algeria. He was killed by extremists in a video released Wednesday that YouTube quickly pulled off the Internet.

Oct 04

Last winter, the PBS NewsHour went to Western Sahara, a disputed territory of Morocco in northern Africa, to learn about the slow-burning conflict that pits Moroccans against the Sahrawis seeking their independence. This year, we travel to a Sahrawi refugee…