In Central Africa, East Africa and in war-torn Yemen, tens of millions of people are on the verge of starvation. If you thought modern agriculture and a global economy would prevent famine, think again.

So what are we doing wrong? Why can't we conquer famine? What can the U.S. and the world do to address the current crisis?

To help us answer those questions are:

• Deepmala Mahla, South Sudan country director for Mercy Corps

• Ambassador Princeton N. Lyman, special advisor to the president of the United States Institute for Peace and former U.S. special envoy to South Sudan

• Olivier Rubin, associate professor at Roskilde University and author of Contemporary Famine Analysis

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Recorded July 13, 2017.

Hosted by Luke Vargas.