A Critical Look at the Nation's Infrastructure

This week, a tanker fire on a ramp connecting two major highways destroyed a section of California's freeway interchange. Reconstruction is estimated to take weeks or months and cost millions. Guests talk about the fragile state of our nation's infrastructure, and whether it can be repaired.

Phillip F. Schewe, author The Grid: A Journey Through the Heart of Our Electrified World, science writer, American Institute of Physics

Frieder Seible, dean of the Jacobs School; professor of structural engineering, University of California San Diego

Lawrence Roth, executive deputy director, American Society of Civil Engineers

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