What an interesting round of answers. Will be checking some of them out.
Culture-Guys We Fucked, The Read, PRI's Afropop Worldwide, The Broad Experience, NPR's Pop Culture Happy Hour, Longform, Modern Day Notes, Life of the Law, WBEZ's The Paper Machete
News-WNYC's On the Media, The Higherside Chats
Defunct- Slate's Stranger than Fiction