Chris and Nell speak with Scott Weidensaul, naturalist and author, who was also a finalist for the Pulitzer Prize in general nonfiction for his book "Living on the Wind: Across the Hemisphere With Migratory Birds." (1:08) Then, Mitch Dumke and McKinley Smoot of 3 Springs Land and Livestock come on the show to discuss regenerative farming. (26:07)