Kathryn Smith: Debunking the myth of the polite presidential race

The election season this year is producing a collective national eye roll. Hillary Clinton says Donald Trump is the candidate of the Klu Klux Klan. Trump calls his opponent "crooked Hillary," and charges her with leaking national secrets. That's on a good day. Many people wonder when selection of political leadership was more genteel. In truth, it probably never was. Joining Federal Drive with Tom Temin with a look back is Kathryn Smith, political historian and author of "The Gatekeeper: Missy LeHand, FDR, and the Untold Story of the Partnership That Defined a Presidency."