A passionate and forceful argument from America's pre-eminent legal scholar that our law ought to do more to protect the public from the harms of falsehood. ? Robert Post, Sterling Professor of Law, Yale Law SchoolAn increasing amount of what we hear and read is demonstrably factually false, and the acceptance of falsity has grave consequences for democratic decision-making. Drawing on legal doctrine, psychological research, and an impressive command of the dynamics of modern media, Cass Sunstein offers a sobering explanation of why factual falsity is increasingly prevalent in contemporary public discourse and why American free speech doctrine may do more to exacerbate than alleviate the problem. This book is essential reading in the modern political and media environment. ? Frederick Schauer, David and Mary Harrison Distinguished Professor of Law, University of VirginiaAn insightful, balanced, and readable book, by one of America's leading legal scholars ? whether you ultimately agree with its suggestions or not, you will learn much from its analysis. ? Eugene Volokh, Gary T. Schwartz Professor of Law, UCLA School of Law Cass R. Sunstein is the Robert Walmsley University Professor at Harvard University. From 2009 to 2012, he was Administrator of the White House Office of Information and Regulatory Affairs. In 2018, he received the Holberg Prize from the Government of Norway, often described as the equivalent of the Nobel Prize for law and humanities. Founder and director of the Program on Behavioral Economics and Public Policy at Harvard Law School, he has been involved in law reform activities in nations all over the world. He is the author of many articles and books, including Nudge, How Change Happens, and Too Much Information.