His work explores questions of American radicalism and dissent. His latest book, More Powerful than Dynamite: Radicals, Plutocrats, Progressives, and New York's year of Anarchy, was published by Walker and Co. in April. He is also the author of A Radical Line: From the Labor Movement to the Weather Underground, One family's Century of Conscience. He has written for a variety of national publications, ranging from the New York Times to the Occupied Wall Street Journal. He earned his PhD in history at Columbia University and is also a graduate of the Columbia Journalism School. Customer Reviews