January 23, 2023 – How did the relationships of two pairs of U.S. presidents — Theodore Roosevelt with William Howard Taft and Franklin Delano Roosevelt with freshman Congressman Lyndon Baines Johnson — change the course of history, and the world we live in today?In this episode, presidential historian Mike Purdy brings us Presidential Friendships: How They Changed History. Mike is an opinion contributor to The Hill and founder of PresidentialHistory.com, where you can find his award-winning presidential history blog. He joined us last to chat about his previous book, 101 Presidential Insults: What They Really Thought About Each Other — and What It Means to Us.Visit Mike @PresidentialHistorian on Instagram, on Twitter @PREShistory or follow his Facebook page Mike Purdy Presidential History.Thanks to Mike’s fellow presidential historians who supplied questions for his interview. They are Feather Schwartz Foster, who joined us to discuss Mary Lincoln’s Flannel Pajamas: And Other Stories from the First Ladies’ Closet, and David Pietrusza, whose conversations you’ll find below.

• Roosevelt Sweeps Nation: FDR’s 1936 Landslide and the Triumph of the Liberal Ideal
• 1920: The Year of the Six Presidents
• 1932: The Rise of Hitler and FDR ― Two Tales of Politics, Betrayal, and Unlikely Destiny
• TR’s Last War: Theodore Roosevelt, the Great War, and a Journey of Triumph and Tragedy
• Rothstein: The Life, Times, and Murder of the Criminal Genius Who Fixed the 1919 World Series
• Too Long Ago: A Childhood Memory. A Vanished World