We look at the growing crisis in Niger, where the country’s democratically elected president, Mohamed Bazoum, was overthrown last week by his own presidential guard. One of the coup’s leaders, Brigadier General Moussa Salaou Barmou, was trained by the U.S., making the Nigerien coup the 11th in West Africa since 2008 to involve U.S.-trained military officers. The U.S. has approximately 1,000…