I’m Professor of American History at the University of Cambridge.

I study American history. I'm particularly interested in immigration, race and nationality. I'm interested in politics and I'm interested in power: who has it in America and who doesn’t.



Beyond the New Deal Order: U.S. Politics from the Great Depression to the Great Recession

American Crucible: Race and Nation in the Twentieth Century

Liberty and Coercion: The Paradox of American Government from the Founding to the Present

States of Exception

Ruling America: A History of Wealth and Power in a Democracy