The New World screwworm is back in the U.S.: Here's what to know

After decades of containment in the Central American tropics, the New World screwworm, a flesh-eating cattle parasite, has been detected in Texas and New Mexico.

Here & Now's Indira Lakshmanan speaks with veterinary entomologist Edwin Burgess of the University of Florida's Institute of Food and Agricultural Sciences about what this means for U.S. livestock.