During his campaign, President Donald Trump promised to bring peace to Ukraine. That hasn’t happened yet. However, he has changed how the United States deals with Russia. Correspondent Scott Pelley travels to Washington, D.C. to speak with members of Congress who argue America should not abandon Ukraine.

60 Minutes reports on how the flight logs found in a plane in Fort Lauderdale, FL uncovered Argentina’s notorious death flights during its dictatorship in the mid-1970s – serving as key evidence of the state’s lethal scheme that “disappeared” thousands of innocent citizens who they viewed as a threat to the state. Correspondent Jon Wertheim revisits this dark and traumatic period in Argentine history, meeting the pair of investigators who discovered the plane, and families of the victims who were thrown to their deaths.