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Events • October 24, 2011 

# How Much Homeland Security Is Enough? 

[![Creative Commons License](/build/cato_2020/images/creative-commons.svg)](http://creativecommons.org/licenses/by-nc-sa/4.0/) 
This work is licensed under a [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-nc-sa/4.0/). 

##### Featuring 

[![Media Name: bfriedman.jpg](/sites/cato.org/files/styles/author_picture/public/authors/crops/bfriedman.jpg?itok=UyPM4WKV)](/people/benjamin-friedman) 

##### [Benjamin H. Friedman](/people/benjamin-friedman)

Policy Director, Defense Priorities

[![John Mueller](/sites/cato.org/files/styles/author_picture/public/2021-01/John%20Mueller.jpg?itok=GS-mbCD4)](/people/john-mueller) 

##### [John Mueller](/people/john-mueller)

Professor of Political Science Emeritus, Ohio State University; Senior Fellow, Cato Institute

[ 

](mailto:jmueller@cato.org) 

![m-Stewart-cropped.jpg](/sites/cato.org/files/styles/author_picture/public/2021-10/m-Stewart-cropped.jpg?itok=gyRWOORW) 

##### Mark G. Stewart 

Professor of Civil Engineering, University of Newcastle in Australia