Concealed or Open Carry in schools in Michigan.

http://www.foxnews.com/us/2018/04/09/right-to-carry-guns-in-schools-case-headed-to-michigan-supreme-court.html

Interesting article on debating gun control with the opposition.

https://www.americas1stfreedom.org/articles/2015/4/15/how-to-win-a-debate-with-an-anti-gunner/

Some good tips in here.

21 foot rule or Tueller Drill

https://www.shootingillustrated.com/articles/2017/10/16/the-21-foot-rule-why-is-it-important/

This is very good information and really applies to self defense.