2:06: John Dickerson, host of "Face The Nation" on CBS, talks about Donald Trump, Hillary Clinton and presidential campaigns of the past. Dickerson is a contributor to Slate and its podcast "The Political Gabfest." He is the author of “Whistlestop: My favorite stories from Presidential Campaign History.”24:37: Sheri Parks, our American culture commentator, talks about the Rio Olympics, race and gender, and about the prominent roles black women have played in the summer games. Parks, associate dean in arts and humanities at the University of Maryland College Park, is the author of “Fierce Angels: The Strong Black Woman In American Life and Culture.”Links:http://www.cbsnews.com/face-the-nation/http://www.slate.com/articles/podcasts/gabfest.htmlhttps://www.amazon.com/dp/B01FD96JQ6/ref=dp-kindle-redirect?_encoding=UTF8----btkr=1#nav-subnavhttps://www.amazon.com/Fierce-Angels-Strong-American-Culture/dp/0345503147