On this week's show: John Nichols discusses his new book, “Horsemen of the Trumpocalyse: A Field Guide to The Most Dangerous People in America.”Dr. Robert Bullard, Distinguished Professor of Urban Planning & Environmental Policy at Texas Southern University talks about Hurricane Harvey’s aftermath. Sheriff Greg Champagne of “Fight Crime: Invest in Kids” discusses the importance of early childhood education. Singer Judy Collins (who is currently on tour with Stephen Stills), talks about some of her projects – a book called “Cravings: How I Conquered Food” and her latest CD, “A Love Letter to Stephen Sondheim.”