(Note: This show originally aired back in November.) On this edition of ST, Robert Dallek is our guest; he's a well-regarded American historian whose books include "Camelot's Court" and "Nixon and Kissinger," among several others. He joins us to talk about his latest volume, "Franklin D. Roosevelt: A Political Life." As was noted of this book in a Christian Science Monitor review: "[Dallek] believes that FDR was a born politician of ferocious and very nearly infallible instincts, and through a