Donald Trump's presidency has raised a question that many of us never thought we'd be asking: Is our democracy in danger? Harvard professors Steven Levitsky and Daniel Ziblatt have spent two decades studying the breakdown of democracies in Europe and Latin America, and they believe the answer is yes. A bracing look at the demise of liberal democracies around the world--and a roadmap for rescuing our own. For readers of "On Tyranny" and "Why Nations Fail".