Summary: <br> Nolan and Nicholas spend this week's show in conversation with author and historian Katherine Olmstead; <br> <br> <br> their topic is "conspiracy culture in media." Katherine Olmstead teaches History at the University of California Davis campus. <br> <br> <br> She has written several books about 20th-Century US history, including "Real Enemies: Conspiracy Theories and American Democracy."<br>
