Timothy Snyder, Yale historian and author of "On Tyranny" and "On Freedom," talks with Rachel Maddow about how citizens resist the autocratic tendencies of leaders like Donald Trump.

Timothy Snyder is the author of "On Tyranny: Twenty Lessons from the Twentieth Century" and the Levin professor of history at Yale University. Snyder explains how President Trump's actions can ...

In an interview with The Guardian published Wednesday, Timothy Snyder issued a warning for the president-elect's friends and supporters that the Tesla CEO is the “big guy” on whom Trump is ...