"Is there any way to stop a president who lies constantly about matters large and small, who regularly displays his disconnection from facts or verifiable reality, and whose lies endanger the nation and threaten the very foundations of democracy? This book approaches that question and more by examining how the First Amendment treats deception in public life. President Donald J. Trump's mendacity during his term in office and its consequences for the nation highlighted the urgent need to grapple with lies by public officials and in public debate. But this book is not just about Trump and it is not just about presidents. As I delve into the First Amendment's treatment of deception I will introduce a range of characters from every walk of public life in situations that implicate factual falsehoods and freedom of expression"--