“The deaths have reignited a longstanding argument in Washington over the sprawling and often opaque war being fought by American troops around the world. It is a war with sometimes murky legal authority, one that began in the embers of the Sept. 11 attacks and traveled to Afghanistan and Pakistan. It was expanded to Yemen, Somalia and Libya before arriving in Niger, a place few Americans ever think of, let alone view as a threat.” A very detailed and interesting report from the NYT: An Endless War: Why 4 U.S. Soldiers Died in a Remote African Desert.