For today’s Memorial Day show we’re replaying some favorite past interviews. Arthur Goldwag traces populist fear-mongering—from the 18th Century to today’s Birther movement. And Pico Iyer talks about the great English writer Graham Greene. We have the final installment of the BBC’s A History of the World in 100 Objects. Edward St. Aubyn tells about his latest novel, At Last. Plus, we’ll look at the contributions of American gay writers in the 20th century, including Gore Vidal, Tony Kushner, and others.