Quake devastates central Mexico: Extent of the damage and relief efforts

We get the latest from Mexico City on the 7.1 magnitude earthquake that struck yesterday, and the rescue efforts. Hundreds of people have died. Buildings collapsed. We look at why Mexico City is particularly vulnerable to destruction from earthquakes. And will California ever get an early warning system?


Lucy Jones - Dr. Lucy Jones Center - @DrLucyJones, Eric Martin - Bloomberg News - @EMPosts

Madeleine Brand

Gina Pollack, Sarah Sweeney, Michell Eloy, Amy Ta, Christian Bordal, Quinn O'Toole