Three U.S. citizens are among 37 defendants sentenced to death by a military court on Friday for their role in a May failed coup in Democratic Republic of Congo. Armed men briefly occupied an office of the presidency in capital Kinshasa on May 19 before their leader, U.S.-based Congolese politician Christian Malanga, was killed by security forces. His son, Marcel Malanga, was among the Americans on trial, along with Marcel's friend, Tyler Thompson, who played high school...