There's a difference (in the US at least). A concise summary: http://sheriff.org/faqs/displayfaq.cfm?id=4f892698-5c5d-40f8-b159-c9a0b6ed66f3 http://sheriff.or

There's a difference (in the US at least). A concise summary: http://sheriff.org/faqs/displayfaq.cfm?id=4f892698-5c5d-40f8-b159-c9a0b6ed66f3 http://sheriff.org/faqs/displayfaq.cfm?id=4f892698-5c5d-40f8...