Blocking the blockers

Venezuela’s self-proclaimed interim president Juan Guaido talks during a joint press conference with his Paraguayan counterpart during an official visit, in Asuncion, Paraguay, Friday. (AP Photo/Jorge Saenz)

The United States special envoy to Venezuela Elliott Abrams looks over the room before the start of a Security Council meeting at U.N. headquarters, Thursday. (AP Photo/Seth Wenig)

WASHINGTON — The Trump administration imposed sanctions Friday on six high-ranking members of the Venezuelan security forces and revoked the visas of other officials and their relatives in the latest effort to pressure President Nicolas Maduro into leaving office.