This is so important, it needs its own post.
http://btoellner.typepad.com/kcdogblog/2010/01/2009-dog-bite-fatalities-final-report.html
This is a review of the fatal dog attacks of 2009 and their data — the breeds involved (16 breeds in 32 incidents), the common circumstances, and what we can learn from them for preventing other tragedies.
Dog bites happen, but most can be prevented. And assuming that breed determines behavior, or that banning a breed will make us safe, is foolhardy and even dangerous.
Read it, and see that your legislator reads it, too.