A period of American history featuring extreme partisanship, voting against the other party more than for your own, impeachment, presidents elected without winning the popular vote and fears about the future of democracy—we’re talking about modern politics right? Wrong. Jon Grinspan talks about his book, Age of Acrimony: How Americans Fought to Fix Their Democracy 1865-1915—a part of our history often overlooked or reduced to a discussion of the Gilded Age. Grinspan’s book has lessons for today.