Extreme heat across the U.S. is causing infrastructure to crumble

Extreme heat has resulted in major disruptions on transit services across the Northeast. Warped train tracks, brush fires and mechanical malfunctions due to the summer heat have caused massive delays for travelers.

Here & Now's Deepa Fernandes speaks with Roben Farzad, host of public radio's "Full Disclosure," about how rising temperatures are exposing flaws in our infrastructure.