Critical Condition | Talking to the Past

Westchester County, a suburb of New York City, is now home to a containment zone after a man there tested positive for the coronavirus. Scott Pelley speaks with New York Governor Andrew Cuomo on what's happening inside the zone; Then, five years ago, lead seeped into the tap water in Flint, Michigan, while state and local officials said everything was fine. Now, the same doctor who proved something was wrong is taking the first comprehensive look at the thousands of kids exposed to lead in Flint; And, companies are already testing driverless trucks on America's roads. The technology will bring untold profits, but it may cost thousands of truckers their livelihoods.