U.S. escalates response to mystery attacks on staff in Cuba

WASHINGTON -- Only days ago, the United States 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 uncanny, unexplained attacks threaten delicate ties between the Cold War rivals.The Trump administration will ask Cuba on Tuesday to withdraw 60 percent of its diplomats from the U.S., officials have confirmed to CBS