This is the fourth contribution in our forum on securitization theory in the U.S. Ido Oren is associate professor and chair of the department of political science at the University of Florida and can be reached at oren@ufl.edu. Ty Solomon is Lecturer in the School of Social and Political Sciences at the University of Glasgow and can be reached at ty.solomon@glasgow.ac.uk. Eric Van Rythoven and Jarrod Hayes ask the timely question of why securitization theory has gained so little traction in American IR. They suggest that we should be puzzled by the absence of securitization theory from...