Malian army says it killed an Islamic State group commander who attacked U.S., Niger forcesExplainer: What makes China magnet for multinational corporations?Chinese astronauts return to earth after six months in spaceLong flu season winds down in USUsing a walker boot for too long may mean you can't ever walk properly without it againEncino out of Kentucky Derby, Epic Ride joins the 20Judge clears former Kentucky secretary of state Alison Lundergan Grimes of ethics chargesAhead of the Paris Olympics, police clear a migrant camp near City HallExplainer: What makes China magnet for multinational corporations?United Methodists begin to reverse longstanding anti