“Only days ago, the U.S. and Cuba maintained dozens of diplomats in newly re-opened embassies in Havana and Washington, powerful symbols of a warming relationship between longtime foes. Now both countries are poised to cut their embassies by more than half, as invisible, unexplained attacks threaten delicate ties between the Cold War rivals.” After pulling nonessential diplomats out of Cuba, the US has ordered 15 Cuban diplomats to leave.