Why Mexico City is having trouble getting water to its 22 million residents

North America's largest city is facing a water crisis. The Mexico City area is home to some 22 million people and solutions to keep water accessible have been elusive. As special correspondent Julia Galiano-Rios reports, there are several factors complicating the situation. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders