Did a U.S. Boat Strike Amount to a War Crime?

Over the past three months, the U.S. military has been firing on boats from South America, killing more than 80 people and prompting Democrats to raise urgent questions about their legality. Now, one of these operations, which killed survivors with a second missile, has prompted congressional Republicans to join those calls for accountability. Charlie Savage, who covers national security for The New York Times, explains the renewed debate and how the administration is justifying its actions.