An American firm with experience in special operations spirited María Corina Machado, the recipient of the Nobel Peace Prize, out of the country in a secretive land, sea and air operation.

© Leonhard Foeger/Reuters

Seizures of more tankers could put a stranglehold on Venezuela’s economy, which is exceptionally dependent on oil to keep the government running and pay for basic necessities.

© Adriana Loureiro Fernandez for The New York Times