Tom Shillue and Fox News Politics Editor Chris Stirewalt break down the significance and the history of populism in the United States.

Chris said that former Democratic presidential candidate Bernie Sanders is an example of a modern populist. He explained, "Bernie Sanders is trying to lead a populist revolt inside the Democratic Party, and he almost did."

Chris talks about the history of populism in America in his new book, Every Man a King: A Short, Colorful History of American Populists.