The year 1968 was a turbulent time in our country. There were race riots, as well as the Vietnam War.
In April, Martin Luther King Jr. was shot to death on a motel balcony in Memphis, Tennessee. A few months later, Robert Kennedy, former U.S. senator, was shot in a hotel in Los Angeles. A few hours later, he was dead.
Column: The period in American history when astronauts were rock stars