On today's show, guest host Ian Hoch talks about the Taylor Swift Effect in New Orleans, Trump's rally at Madison Square Garden, and the sudden collapse of carbon in the atmosphere.
Ian speaks with:
Julia Delois, Creative Director of Raising Hell Events,
Chris Champange, author of "Secret Louisiana,"
and Barry Keim, Director of the Environmental Health, Climate, and Sustainability Program at the LSU-Health Sciences Center in New Orleans.
(Photo by Kate Green/Getty Images)