Cuban leaders should be concerned following the U.S. military operation in Venezuela and the arrest of Nicolás Maduro, Secretary of State Marco Rubio said Saturday, as President Donald Trump signaled that his administration could shift its focus to the Caribbean island. Cuba has long maintained a presence in Venezuela, with intelligence agents and security personnel embedded amid close relations between Havana and Caracas. Rubio, the son of Cuban immigrants, said Venezuela’s spy agency was ‘basically...










