If we don't ban all guns, then the terrorists will have won.
The entire October 2001 issue of the Journal of Law and Economics is on the web at:
If you don't want to read the entire thing, the introduction by John Lott is a good place to start:
http://www.journals.uchicago.edu/JLE/journal/issues/v44nS2/012212/012212.html
Here's the full list of articles: