Brendan A. Shanahan is a Lecturer in the Department of History and an Associate Research Scholar at the MacMillan Center for International and Area Studies at Yale University. He teaches courses on (North) American immigration and citizenship policy and comparative US and Canadian political and legal history. He served as a postdoctoral associate at Yale’s Center for the Study of Representative Institutions, earned his PhD and MA from the University of California, Berkeley, and received his BA from McGill University. His work has appeared in The Catholic Historical Review, Law and History Review, and the Washington Post, among other publications.