When Apollo 11 lifted off 50 years ago on Tuesday, the goal was to beat the Soviets to the moon. Sergei Khrushchev, the son of Soviet Premier Nikita Khrushchev, and a former Soviet missile engineer, looks back on the era. Also, how people in Tehran perceive the increasing pressure on Iran from the White House. And, Brazil's autocratic new president tries to undo laws that favor Indigenous Brazilians.