Margaret Drain

In the predawn hours of March 28, 1979, a reactor of the Three Mile Island nuclear power plant near Harrisburg, Pennsylvania, began to overheat. The lives of half a million people soon hung in the balance, as human error and mechanical failure combined to create the worst nuclear accident in American history.

American Experience looks at the 1968 Democratic National Convention in Chicago where Vice President Hubert Humphrey won his party's nomination for president amid massive civil unrest and violence perpetrated by Chicago Police and anti-Vietnam War protesters.

In the predawn hours of March 28, 1979, a reactor of the Three Mile Island nuclear power plant near Harrisburg, Pennsylvania, began to overheat. The lives of half a million people soon hung in the balance, as human error and mechanical failure combined to create the worst nuclear accident in American history.

American Experience looks at the 1968 Democratic National Convention in Chicago where Vice President Hubert Humphrey won his party's nomination for president amid massive civil unrest and violence perpetrated by Chicago Police and anti-Vietnam War protesters.