Kevin Kenny is Glucksman Professor of History at New York University. He works on the history of Irish emigration, American immigration, and global migration. His books include Making Sense of the Molly Maguires (1998), The American Irish: A History (2000), Peaceable Kingdom Lost: The Paxton Boys and the Destruction of William Penn’s Peaceable Kingdom (2009), and Diaspora: A Very Short Introduction (2013). He is also editor of Ireland and the British Empire, which launched the Oxford History of the British Empire Companion Series in 2004. He is currently finishing a book about the relationship between American immigration policy and slavery from the Revolution through Reconstruction.