How Japan created a culture of transit in a world of cars

In most so-called "mega-cities" with populations over 10 million people, traffic is a mega-problem, and so is the air pollution. But Tokyo - with a population of 37 million - bucks that trend with a massive public transit system. As our Transportation Correspondent Jeremy Siegel reports, Tokyo may not serve as a model for other parts of the world.

This story originally aired on Feb. 19, 2025.